Kt66 tube data

  • 49. Nobsound 8-Pin Dual Bias Current Probes Tester Meter for EL34 KT88 6L6 6V6 6550 Vacuum Tube Amp Amplifier (2Meter + 2CT1-C, Cathode Current) Tianjin Electron (China) http://www. If your amp calls for the 350B or can use it in place of a KT66/6L6 (the 350B has higher filament current draw) then these may be the last and best you will ever buy. For more equivalents you can use the Search. Sophia Electric 126S Stereo El34/6L6/KT66 Tube Amplifier, power and sonic beauty Unique and original design tube amplifiers custom handmade one at a time The data on this page reflects the approximate year that these amplifiers were made and not the actual dates of manufacture of the amplifier. NOTE ON GROOVE TUBES: The KT66 and 6L6GC types of pairs and quads made by Groove Tubes may be ordered with factory matching with respect to both Gm/plate current AND "hardness" ratings. These new production Genalex Gold Lion KT66 power tubes can be run in any amp Tube Interchangability Reference. Dots! What are UX and CX Jackson 648 Tube Tester. The test gear used to evaluate these 6V6 tubes was a 1956 Tremolux, a 1966 Deluxe Reverb, 1983 Squire strat - stock pickups, Heritage 535 - Gibson 57 Classic Humbuckers and a Les Paul with Gibson Burstbucker pickups. Note: This page is not updated. we have already gathered and stored test data for each tube. Delivered anywhere in UK. This data is scanned and may contain errors caused by the OCR software. BEAM PENTODE. They were used in most tube electronic equipment to allow easy removal and replacement. 6L6GC types Most needed for guitar amps but these make a fine hi-fi tube in any amp calling for a KT66, 7581, or even 5881. Nuvistors were the latest tube development at just about the same time as the introduction of the first integrated semi­conductor circuits. If you see your amp here …Review Notes Tube reviews written by John Templeton. Ltd. Here you'll find manufacturers' data sheets and curves for many popular (and some not so popular ) electronic valve types. Brand on Tube: Genalex : Extended Brand This tube is directly substitutable with the KT66, in fact a 7581A IS a KT66. KT90 and types and brands exist, and what you can do with the this tube. 6. 27, 500, 400, 25, 3. tube-fullmusic. Oil filled capacitors and chokes. in 1935 . com/ Brands & trademarks Fullmusic: Cursive “Fullmusic” Script Tianjin Electron is one of the newest Chinese Tube sockets are electrical sockets into which vacuum tubes (electronic valves) can be plugged, holding them in place and providing terminals, which can be soldered into the circuit, for each of the pins. KT66 tube was introduced in 1938 in England. I have a nice original M-OV publication on the KT66 with specs and application data from 1949. If it's a cathode biased job, the data sheets emphasize that the tubes (*)These specifications are provided 'as-is', with no warranty of any kind. I have to output tube famous 5998A as indirect heater triodes. In phase splitter aplications this tube is simply unbeatable!!! I transformed my Williamson amplifier with 807 (EL34 / 6CA7) KT66 and now use just one ECC40 instead of two 6SN7GT with great results. Tubes in the "Tube" column are directly replaceable with tubes in the "Replacement" column. VACUUM TUBES - Are They Warmer Sounding? Microphonic Tubes! Power Tube Comparisons ~ 6L6, KT66, EL34, EL84 and Etc. By M-O Valve Co. The first book is a paperback or hardback book, the cover is a naive version of later & Quad get 3 of the 4 front pictures, the Garrard 301 is the other. 5 142 11 6 000 31 pe ak af grid to grid voltage zero—signal plate current maximum plate current load resistance total harmonic distortion power output data sheet 5881tungsol author: ah created date:KT66 EQUIVALENT = KT8C GEC (England) It is a beam power tube almost identical to the KT66 (made by the same company) EXCEPT that is has a 5 pin british type ceramic base and a …↑Top The 1956 HFYB range of Amplifiers. com FREE DELIVERY possible on eligible purchasesIn electronics, a vacuum tube, an electron tube, or valve (British usage) or, colloquially, a tube (North America), is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. The data sheets are not specific enough. LPSpinner. READ. Typical Performance KT66 Curve Outline View Bottom View This vintage Russian 5Ц4С / 5U4C rectifier is a 5Z4 equivalent. Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. The Revenge KR842VHD Amplifier Everybody in the audio tube business knows that the justly famous brand names of yesteryear like Brimar, ECL82 6. . Distortion 2 %. GINI Systems. 3V INDIRECTLY HEATED. The First letter equates to the Year and the Second letter to the Month. Uf. Title: 5AR4 / GZ34 Author: Amperex Subject: FP-2002-11-10 Created Date: 11/10/2002 9:42:26 PM mod. Sovtek 5881WXT Power Vacuum Tube Guitar Tube Amp Kits; Sino KT66 Power Vacuum Tube. com/ Brands & trademarks Fullmusic: Cursive “Fullmusic” Script Tianjin Electron is one of the newest Chinese Nobsound 8-Pin Dual Bias Current Probes Tester Meter for EL34 KT88 6L6 6V6 6550 Vacuum Tube Amp Amplifier (2Meter + 2CT1-C, Cathode Current)Tube sockets are electrical sockets into which vacuum tubes (electronic valves) can be plugged, holding them in place and providing terminals, which can be soldered into the circuit, for each of the pins. Nobsound 8-Pin Dual Bias Current Probes Tester Meter for EL34 KT88 6L6 6V6 6550 Vacuum Tube Amp Amplifier (2Meter + 2CT1-C, Cathode Current)Tianjin Electron (China) http://www. GEC Audio Tube Data: Data & Amplifier Designs KT66, KT77 & KT88 Gec. The nuvistor was developed by RCA and it was first introduced in 1959. You can find the maximum design plate specs for tubes in their respective data sheets. Hi-Fi Audio Amplifier Vacuum Tube Reference This is a genuine, original, vintage. website! Also feel free to call us if you think you might have collectible types or other tubes or tube testers Technical data. The tubes measured electrical performance matches the original GEC and M-O data exactly, and are branded in the style of the originals. This rugged tube also found a home in the '59 Fender Bassman and servo amplifiers used in B-52 bombers. For class A, it is 90%. Barczynski, who offered me a lot of diskspace online, I can put all my datasheets on the web. Guitar players are quick to defend the how-and-why of their preferences and the type of tube used is a common jumping-off point for what makes an amp great. 1: Re: GEC KT66 (13. kt66 Disclaimer Submit a tube. indd - Delta Regis Tools Inc. Datasheet file is in PDF format. E. For instance, it is accepted practice to bias a tube operating class AB to 70% of its maximum allowable plate dissipation at idle. 5K 25W output transformer, Ideal choic for single ended tube amplifier project. Our exhibit is a In 1952 the KT66 was advertised as the finest audio tube in the world. eBay! Skip to main content Test Data on the Box. 5 200 200 -12. This is Title: KT66 Author: Marconi Subject: FP-2001-11-01 Created Date: 11/1/2001 11:13:22 PM The Tung-Sol KT66 is just the ticket if you are looking for a high quality and cost effective tube. 27, 400, 25, 8. 6 500 6. This is our "audiophile" tube page. d = Diode Unit. F. 6. 6:03. Most hi-fi, amp, guitar amp, and stereo tubes we …How the "Hand Stamped" Date Code Works. 6l6 / 5881 / kt66 6L6's are beam power tetrodes that can be characterized as having a bold, bigger rounder sound - with crystal highs, warm mids, and bass controlled lows. from China. 6L6GC Basics. This is a hand aligned Beam power tube resulting in stable performance at higher power levels. Sovtek 5881 / 6L6WGC Power Vacuum Tube. Each tube sample used for comparison was Found 200 records in Search of Tubes Asylum. How Apex Matching® Works. Most Jackson tube testers feature a pretty good ‘Shorts’ test, although many lack an ideal ‘Gas’ test. (M-OV) of Britain in 1937. If you see your amp here and some of the information is missing feel point. Service To Extend Your Contract For Your Verizon Unlimited Data Plan. Typical characteristic: Ua. This tube is THE REAL THING. 7 1. The Code on the tube chart of your Fender Amp is made up of two letters. GEC Audio Tube Data: Data & Amplifier Designs KT66. Improved vacuum tube models for SPICE simulations, Part 1 µ is the amplification factor, and k G1 is a factor used to fit the equation to data. 3Vf), in the USA it was the worlds first and most famous beam-power-tetrode, the 6L6. The KT66 is a commercial version of the CV1075. Tubes 2 x 805 - Selected Psvane Tubes with gold plated connectors 2 x KT66 - Gold Dragon driver Tubes 2 x ECC83 - input Tubes. 48 SI-KT66. Show more documents SVETLANA TECHNICAL DATA EL34/6CA7 - Dr. Tubedepot are the best customer service. amplifier, or as a series valve in a stabilized power supply. 7 Two NOS Emitrade KT66 from the 50´s. KT66. Share Thread I thought his source for calling it a faux KT66 was possibly someone in tube manufacturing who knew the "particulars 156 results for kt66 tube See more like this KT66 OSRAM VALVE/TUBE in Original Box We work out the trending price by crunching the data on the product’s GEC Audio Tube Data: Data & Amplifier Designs KT66, KT77 & KT88 Gec. A great source for tube data sheets is Frank Filipse’s site KT66 R 0 L ¼ 4: 2kP 5kT Pentode 8 4. ; Warning: Tubes are not always 100% equal!You should have a good understanding of classes of operation before using this bias calculator. 7, 15. Buy Tungsol Reissue KT66 Power Vacuum Tube, Matched Pair: Tubes - Amazon. by AmplifiedParts. Bill Beech's online tube data from mostly RCA manuals. Determining Output Transformer Impedance. If you want that famous Bluesbreaker sound – these are THE tubes. = 6,3 V. sk Dimension and connections: www. If you're looking for a good sounding, current production KT66, the Chinese manufactured Valve Arts sounds very close to the originals and is well Chapter 6 Vacuum Tube Amplifiers curves if you wish. The KT66 can replace 6L6GC and 5881 tubes. Tube Data Archive www. Use of these parameters shall be entirely at the user's own risk. KT66 design was sold to RCA who turned it in to 6L6. = 250 V. 6CA7 / EL34. in 1935. 1, Tetrode connected. Technical Data. The TDSL (Tube Data Sheet Locator) Personal Edition provides information right on your PC for a large number of vacuum tubes. If the page is blank click here Genalex KT66 Datasheet. Please Note: When replacing power tubes it is advisable to adjust the bias to the power tubes. Base: OCTAL. Sockets are designed to allow tubes to be inserted in only one orientation. nl. 00 Buy Now; ECC83-HARMA STR BALANCED Harma Valves Special balanced item with matched sections for use in phase inverter position, tube microphones or input positions In stock £16. Exact copy of the original clear glass KT66. 00 KT66 11. 2017-03 tube data 3b22 3b24w 3b28 4b32 68504 68506 68530 857b 869b a207 a235 a237 a239 a292 a296 ah200 ah205 ah211 ah211a ah213 ah221 ah238 ah2511 ax224 ax228 ax230 bd12 nl10277 nl10277-1The data on this page reflects the approximate year that these amplifiers were made and not the actual dates of manufacture of the amplifier. He uses specific Heyboer transformers and Chokes ect for the correct voltages for the GEC KT66's. The tube that created “The Bluesbreaker Tone. 6L6GC Comparison of Current Made Tubes Each tube sample used for comparison was chosen because it measured in the middle range of idle plate current draw at the Abstract: gec valves kt66 CV1075 kt66 triode KT66 tube TIM15 Scans-0017958 11PFA Text: underside of base. Product Features 1 Balanced Electro-Harmonix 12AX7 phase inverter tube marked with a stickerNov 29, 2017 · KT66 use in combo amps is perhaps limited more by the fact they're big, heavy tubes (compared to 6L6 or EL34) and hanging upside down may not be the best thing for them. There are various ways of doing this - either see Vintage Guitar 9 ‘Bias Notes’, get hold of a copy of ‘Inside Tube Amps’, or we can do it for you. Manufacturer's data is available for triode operation of some popular types of tetrode, pentode and beam power tubes such as EL34/6CA7, 6V6GT, KT66, KT88, 807, 6146. 5 65 8. These can replacement for kt66 valves some people say better sounding gec kt66. 3, 1. Ryan Kiesshauer 50 watt 6L6 guitar tube amp build - time lapse part 2 KT66 Beam Tetrode Components datasheet pdf data sheet FREE from Datasheet4U. 1. The main envelope diameter is 48 mm and excluding pins the valve has an overall length of 113 mm. BEAM PENTODE Base: OCTAL U f =6,3 V I f = cca 1,3 A Typical characteristic: U a = 250 V U g2 = 250 V-U g1 =1 V5 KT66 is the designator for a beam tetrode vacuum tube introduced by Marconi-Osram Valve Co. It used the new GEC KT66 triode valve (tube) that was developed by GEC just before WW2. 3 80 7. 5Z3. This tube has improved bass response and a shimmering top-end. Electron tube KT66-MP TS, matched pair / TUNG-SOL. 6L6, KT66 type Tubes . (M-OV) of Britain in 1937 . Special reprint brings together information from several sources. At idle point, the tube will drop about 163 V as seen from the graph. BEAM PENTODE Base: SVETLANA TECHNICAL DATA EL34/6CA7 - Dr. I am looking for the latest tube set up data sheet`s for the B&K DYNA-QUICK 500 tube tester as the the chart in the lid of my tester does not list all of the current tubes such as the 6DJ8. George at Metro wont bias a modern KT66 like an NOS GEC. Please let me know if you see any. Enter values in blue and click any Calculate button. HOME PAGE. The following should be direct substitutions. Your query returned too many records. The KT66 is a very well known audio output beam tetrode valve. The ultimate 6L6, the WXT+ will improve the sound of any 6L6 guitar amplifier. is designed for use in the output stage of an a. , London, 1966. The 6V6, 6L6, KT66, KT88, and 6550 tubes are all beam tetrodes (with four internal parts) and have identical pinouts. ECONOMICAL VALVE BASED AUDIO POWER AMPLIFIER. 4A)Two KT66 Tube Valves, here we have a matched pair of mullard 'amerty' 6l6g valves. Tube Data Archive These KT66 tube are a significant improvement for my push pull power amplifier. W. , THE M-0 VALVE COMPANY LIMITED KT66 BRIEF DATA A beam tetrode Similar tubes from Genalex Genalex. Brand new. A thread that new members might want to refer to when investigating tube gear. Tube . Regardless, many people feel any Hickok is vastly superior to any Jackson. 4 Pcs Shuguang Nos 6p3p Tube Re 6l6gc Kt66 6ca7 El34 6550 Kt88 Diy Tube 1pc Vacuum Tube - $59. In the 1950s the production used black base …tubes ampl if i er tubes 6. More buying I recently got a Heathkit TC-3 tube checker. 39 Prime. The Williamson papers were printed in 1947 and it is the most famous and important valve amplifier design of all time. Buy Tungsol Reissue KT66 Power Vacuum Tube, Matched Pair: Tubes - Amazon. Special plate alloy to improve plate dissipation. This tube was used in the Dynaco Mark III and Sunn amplifers. 5R4 rectifiers (any suffix, GY, GA, GB, GYB, etc) are pin compatible with 5Y3, 5U4, 5V4 and 5AR4/GZ34 rectifiers. Given a KT66 in triode mode with the following Radio Valve Data, Eighth Ed. According to the data sheets found in old vacuum tube reference manuals, a pair of EL34s with 800 V plate voltage can produce 90 watts output in class AB1 in push–pull configuration. From our review of this EL34 tube: "The sound is well balanced with tight bass response and great mids. Audio-Hifi service manuals and schematics - Electronics Service & Repair Forum. [Marconi Wireless Tube] KT66 beam power electron tube . KT66 is a beam power pentode with an octal base and power of 25W. Shop in 6L6-KT66-EL34-6CA7-6550-KT88- from AYUMI STUDIO. are common guitar amplifier power tubes, and are all easily biased with this method. Immediately following are equations for calculating cathode voltages, currents and resistances. Due to the metalisation on the inner of the envelope the electrode structure is obscured. 3 @ 1. Pentode Connection. Mechanical Data: Part One of the challenges to the home constructor is that manufacturers' tube manuals and data sheets often quote "typical operation" for fixed bias pentode connection but cathode-bias for ultra-linear connection. 000 Hz. I'd like to compile data on the above subject putting together a quick reference chart. Guitar Tube Amp Kits; Sino KT66 Power Vacuum Tube. VLVE-00077 KT66 Shuguang Graded Anode Current Gold Logo The KT66, KT77 and KT88 power beam tetrodes are unique as a dedicated set of valves optimized for audio use. Home » Everything You Ever Wanted to Everything You Ever Wanted to Know About Output Tubes A handful of contemporary makers still offer amps with KT66 and Wolverine Data 238,745 views. TUBE SUBSTITUTION LIST 6L6 - 6LQ6 TO REPLACE USE * These are parallel filament circuits. That said, I've used new-production KT66's in one of my combo amps with the tubes hanging upside down. Shop with confidence. Top Most 7581A's are double-branded 7581A/KT66. In a stereo system or remote head, these should provide a good tonal balance and service life. Save kt66 audio tubes to get email alerts and GEC Audio Tube Data: Data & Amplifier Designs KT66, Plate 8pin Vintage Ceramic Tube Base For GEC U52 KT66 HIFI This is the Groove Tubes's KT66 Beam Power Tetrode Tube . KT88 is a low distortion, high output power tube developed specifically for audio. 6L6 vs. 98 SO-5881. 3 V. com Electrical Data : x. INTERESTING TUBE FACTS. TUNG SOL 5881 Upgrade replacement for 6L6 and KT66. 66 1pc Vacuum Tube New Jj Kt77 Replace 6l6 Kt66 El34 6l6gc 6p3p 6ca7 Electron Tube Details about Accurate 157 Tube / Valve Tester with including a Downloaded Manual / Valve Data and Sylvania NOS Valve of valves including KT66/88, ECC81/85 On the output power tube front, using New Sensor Gold Lion KT66 and more recently enjoying Tung-sol 7581A tubes. p = Pentode Unit. Due to its rugged construction and conservative ratings, it is the most reliable current production EL84 type available for use in Vox AC-30 type amplifiers. Recent content Tube of the Month: The 6SC7 Hi! This months tube is a indirectly heated small signal triode which I chose as the input tube of the phono section of my new version of the Octal Preamplifer. From the 1970s KT66 s lacked the internal carbon dust coating of the glass bulb. Refer to the data sheets above for exact figures. . Advanced searching facilities help you to compare different types and make substitutes for hard to find vacuum tubes. Ilife Books Ltd. 80 0-6 Screen grids supplied from stabilised source. Radio Valve Data, Eighth Ed. jj-electronic. as 6L6GC with 35 watts dissipation. Abstract: gec valves kt66 CV1075 kt66 triode KT66 tube TIM15 Scans-0017958 11PFA Text: THE M-0 VALVE COMPANY LIMITED KT66 BRIEF DATA A beam tetrode with an absolute maximum anode , valve in a stabilized power supply. the MO Valve GEC KT66 Back to Tube Data Page. EL34 (6CA7) Class B Push-Pull Data Sheet JJ EL34 Power Tube $ 30. T. “The ECC 40 is an indirectly heated double triode, of which the two sections, apart from the heaters, are completely separate. The designs are free to use for private DIY-purposes only, commercial use is strictly prohibited. com FREE DELIVERY possible on eligible purchases In electronics, a vacuum tube, an electron tube, or valve (British usage) or, colloquially, a tube (North America), is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. NEW Matt presents bias and operation data for the 6V6 tube in (SE) Ultra Linear (UL) Bias Optimization. rare, historical M. Audio Vacuum Tube List. hp = Heptode Unit. Genalex KT66 - Data Sheet The GEC data sheet states that seperate cathode resistors must be used in cathode biased operation for the KT66. At 11. 5, 16. Select the Tube Type from the scrolling list. 3) collect slowly on ebay. Net Tube Data Here you'll find manufacturers' data sheets and curves for many popular (and some not so popular ) electronic valve types. I did find a Philips/Mullard "code" of OS for the KT66, however. This tube is NOT AN EXACT 6L6 REPLACEMENT. General Electric UK's fabled lab and production plant began to scale back operations. Shuguang Vacuum Tube 300B Series Triode: 300B-98 (300B) DESCRIPTION 300B-98 is compatible with 300B Vacuum tube 300B-98 is new and improved version of 300B. Author: Maria Quiroz Created Date: 11/9/2005 2:45:44 AM Usually, when yu need to find out about a tube, Google is your friend '7581a tube data' will give many results. A. Input Sensitivity 180 mV. GEC Audio Tube Data: Data & Amplifier Designs KT66, KT77 & KT88 8 Feb 2018. The oldest and best sounding KT66 ever made. LTD. Eico 667 tube tester - best way to determine correct settings? KT66 6CA7-fat bottles and then reconciling the figures against reputable tube data sheets, I'm ECC83-HARMA STR Harma Valves The Harma ECC83-STR features an internally rugged construction with thick mica supports. 2: Anode dissipation per KT66 (upper curve); output power (middle curve); screen grid dissipation per KT66 (lower curve), as function of the control grid voltage (arbitrary unit) AES 114TH CONVENTION, AMSTERDAM, THE NETHERLANDS, 2003 MARCH 22-25 8 van der Veen and Touzelet New Vacuum Tube and Output Does anyone have a bias voltage chart or graph for a fixed bias kt66 tube. The 6L6GC is an octal, beam power tube. The KT66 is the direct descendant of the "Harries Valve" developed by British engineer J. We well various parts for Vintage valve tube guitar AMPLIFIER DIY&REPAIR project 8PIN PCB Mount Ceramic Tube Sockets for EL34,KT88,KT66,6V6,6L6,6SN7,6SL7,6550,KT120: GZC8-Y-2-G My Account FAQ Shopping Cart We well various parts for Vintage valve tube guitar AMPLIFIER DIY&REPAIR project 8PIN PCB Mount Ceramic Tube Sockets for EL34,KT88,KT66,6V6,6L6,6SN7,6SL7,6550,KT120: GZC8-Y-2-G My Account FAQ Shopping Cart Not sure if the tubes you're asking about are authentic or not, unscrupulous internet tube sellers have gotten very good at relabeling current production tubes and selling them at Old Stock prices. Owen Harries and marketed by the Hivac Co. I am trying to determine the proper bias voltage at different anode and screen voltages, (ie anode = 350-400v). DIY Audio Projects Forum: FAQ: (KT66) Tube Amplifier. I'm asking the collective whom which have been long time users of vacuum tube gear to contribute. Please let me 6L6GC KT66 6L7 X64 6LN8 LCF80 6LX8 LCF802 Frank's Electron tube Pages GEC KT66 valves including matched pairs. The Tung-Sol EL84/6BQ5 was a popular OEM tube for American-made EL84/6BQ5 guitar amplifiers, such as those built by Gibson and Harmony. 5, 1. Dimension and connections: KT66. and because it is not a highly prized audio tube, by valve collectors and audio buffs (like the EL84, KT66, 6SN7 KT66 GEC Datasheet. com. com KT66 A. 9A -9-8-7 KT66 and 5881. Request a Vacuum Tube Data Sheet, Price List, or a Sales Brochure. F. Fig. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Using this data for a very large volume of vacuum tubes, we are then able 8417 GE (Black Base) (2 side getters and clear top - see above picture, tube on left) - Dynaco Mark VI introduced in 1976 - Gibson - Bogen - Harmon Kardon - Bogen MO-100A TO BUY 8417 GE pairs 6L6 Single Ended Tube Amp The 6L6 simple Single Ended audio amplifier Even though 6L6 tube is used primary in guitar vacuum tube amplifiers , many manufacturers use this tube in audiophile designs. These have a much larger list of tubes and the settings. It is as comfortable in guitar amps as it is in hifi applications. $14. The type known as a thermionic tube or thermionic valve uses the phenomenon of thermionic emission of electrons from a heated cathode Nuvistors. SUBSCRIPTS FOR MULTI-UNIT TUBES: b = Beam Power Unit. Found total of 200 records, Query: kt66 +in +el34 in Tubes Asylum, Time: 0 sec. probably the best Quad Factory Platinum Matched Genalex Gold Lion Kt66 Kt-66 6l6 Tube 24hr Burn-in. Genalex Gold Lion KT66 power tube. 8, 7. I make no guarantees. Tube Substitutions. ANOS RCA 6L6G 6L6GC Comparison of Current Made Tubes Each tube in this comparison was installed in the same custom-built, fixed-bias single-ended guitar amplifier in order to KT66 EQUIVALENT = KT8C GEC (England) It is a beam power tube almost identical to the KT66 (made by the same company) EXCEPT that is has a 5 pin british type ceramic base and a top cap anode connection. K. Contains data on the KT66, KT77, and KT88 tubes along with suggested amplifier designs and a section of preamplifier designs. The Sovtek 6L6WXT+ yields a 20% higher output than the Sovtek 5881WXT and offers superior tone and overall performance to any 6L6 or KT66. This is a real KT66 with large curved glass envelope and a rounded brown base. 350B, or real British KT66, those ought to work fine and have great tone, too. A set transformer for 6L6 KT66 EL34 5881 EL37 single ended Class A tube amplifier, Inlude one power transformer,One choke and one pair 3. ALWAYs check the bias and idle power of the tube with the new rectifier to be certain that it is running within Eico 667 tube tester - best way to determine correct settings? I originally used tube data sheets to find the “typical” plate currents that manufacturers JJ KT66 Datasheet 2007 - Dr. , London, 1966 KT66 is the designator for a vacuum tube introduced by Marconi-Osram Valve Co. Try limiting your search by using the Advanced Search Options below to select an author, a date range, a single forum or more specific search terms. GEC Audio Tube Data by GEC - (circuit designs) code 2003 As demand for vacuum tubes waned inevitably in the 1970s due in large part to the advances in semiconductor technology. Block diagram, pinout and KT66 Circuit application inside. Use of these parameters shall be entirely at the user's own risk. Please tube made the Marshall JTM45 Plexi Amps famous in the 1960s and the Quad amps a legend. In Europe it were the pentodes AL5 (4Vf) and EL5 (6. It is a long page, use your scroll button and scroll down the page to see it all. Audio tubes are a specialized breed and as such, we feel it necessary to create separate listings and pricing for these tubes. be ideally matched to meet the output tube impedance of the tube type that you will be using. com. 3 if you use the center tap) on the heater, whereas a 6L6G (shown below) requires 6. by the MOV Reviews of KT88 tubes. wxs. KT-88 Push-Pull Project with Hashimoto Transformers. KT66 is the designator for a beam tetrode vacuum tube introduced by Marconi-Osram Valve Co. Searches are limited to a maximum of 200 records. $18. It has a large curved glass envelope and a rounded brown base. Our exhibit is a post-WWII device, probably dating from the 1960s. electron Tube Data sheets - Type index. Our range of Vintage valves have been fully tested. Power Tubes If you are looking for NOS Power Output tubes we probably have it in stock! We provide stringent testing using our Maximatcher and Amplitrex AT-1000, and with our large inventory of power tube types, we supply you with unprecedented current draw matching! Tube Bias Calculator Instructions & Help. About KT66 Tube. Nuvistors. ſ. Please visit my Tube Amplifier Forum Here's the place you can go to ask tube amplifier questions. FREE Shipping on eligible orders. DO NOT USE NEW TUNG-SOL KT-66's. 0, 11. The EL37 has a high value of mutual conductance compared with the valves it is sensibly equivalent to. Vh, Ih, VaMax, Vg2Max, PaMax, Pg2Max, Cgk, Cak, Cga, Notes. 00 EB5AGV's TV-7 Tube Tester page Technical Manuals and Tube Data for the TV-7 series Currently I have in my library all of these manuals and supplements. The first nuvistor to be produced by RCA was the 7586. The KT66 was developed for Class A and A-B audio high power amplifier use in England in the late 1930's. Quad-66 Preamp Schematic QUAD II Classic Integrated Amp ULTIMO Tube Set KT66 Gold Pin Preamp TUBE AUDIO PRE AMPLIFIER PREAMP 12AX7 MANUAL SERVICE SCHEMATIC. kt66 MWT. What is the average life expectancy of common vacuum tubes? The scope of supply includes detailed operating instructions, a conversion table and the nominal values of the tube types which can be tested. Signal to Noise Ratio 97 dB. NOTE ON GROOVE TUBES: The KT66 and 6L6GC types of pairs and quads made by Groove Tubes may be ordered with factory matching with respect to both Gm/plate current AND "hardness" ratings. One tube measures 82 ma in anode current with a mutual conductance of 7,45 ma/v. 5 12. But he wont bias a Modern tube to I think it is 460 at the plates for the GEC and about 380 for a Modern KT66 tube. TENTATIVE DATA: Class AB 2 Audio Amplifier: Distributed Load Connection: Vacuum Tube Data Sheets The shape of the envelope is a mixture of the classic shape and the wide tube. $32. 1999-05-06 Thanks to Ryszard J. kt66 tube dataRadio Valve Data, Eighth Ed. But those are expensive, if you can find any! Buy new Brimar TP KT66 Beam Tetrode (Pair) valves / tubes direct from the supplier in the UK Click here for Data Sheet Each tube is scrupulously tested and KT66 is the designator for a beam tetrode vacuum tube introduced by Marconi-Osram Valve Co. Machlett Microwave ("Basing" refers to the order in which the internal elements of the tube are connected to the pins on the bottom of the tube. hx = Hexode Unit. Sealed with each tube is the factory test data sheet. This slow-rise, indirectly-heated rectifier should be considered an upgrade for a 5Y3 tube in most circuits, and will drop slightly less voltage. Terms and Conditions Shipping, Pricing, Returns and International Ordering Information. = cca 1,3 A. supplied with test data. Created Date: 9/6/2001 3:17:38 PM According to my preliminary reading of the tube data sheets there is not that much difference. Power Tubes: BustedGear. Power Handling 2 x 30 W Re: Causes of vacuum tube over heating « Reply #19 on: February 29, 2016, 04:35:23 am » I've never seen or heard of a getter pellet actually being fired into the tube during pumping - it would be impossible to control where it is deposited. The grid will be at 1 V below the cathode so it will be running at 136 V . If you see your amp here and some of the information is missing feel Review Notes Tube reviews written by John Templeton. Brand New Tung-Sol Reissue 7581A KT66 Current Matched Quad (4) Vacuum Tubes The Tung-Sol 7581A is rated at 35 watts vs the standard 7581 or 6L6GC. Use as a replacement for a 6L6 if you want less gain and more headroom. 1999-02-15 Initial date of my Electron tube Data sheet homepage @ www. 3 0. 9 360 225 18 52 78 3. 2 Type KT66 is a high slope, indirectly beated beam tetrode designed (Data per pair of valves unless otherwise stated. In Stock. com Datasheet (data sheet) search for integrated circuits (ic), semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. 1 or 2 at the time and you will get a quad of KT66 cheap . KT120 TUNG-SOL. The Tube amp Library of information Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photo's, Sound clips. Frequency Response 20 - 20. £13. The KT66 was Thanks to Frank Philipse for supplying the above PDF datasheet. KT66 KT77 KT81 Trying hard not to electrocute myself User account menu. Preamplifier Tube Data No part of this website may be reproduced in any form without written or e-mail consent from the author. The GECKT88 was a higher power version of the original KT66. Octal, IO) Tube type: Beam Power Tube Power/Output Other characteristic (electr. KT66 Push-Pull, Class ABI. Very robust and reliable due to its internal construction. # In series circuits, this tube doesn't need any form of regulated warm up time. Chosing A Replacement Output Transformer McShane Design - Citation & Other Vintage Tube Gear Fine Vacuum Tubes & Vacuum Tube Parts/Kits Now - Pay By Credit Card or PayPal! See "How To Order" below! Need tubes? Scroll down for a huge list of new production, NOS, and great used tubes. Sometimes we wonder if there is a limit of high end… apparently for tube producer from Asia, there is no limit yet! This new custom version KT88-Z CB cobalt blue Super Tube seems have “surpassed the current high end KT88 tube offerings, in instrument separation and frequency extension on both ends”, according to factory in-house comparison to competition. current that low. kt66 tube data The KT88 was introduced by GEC in 1956 as a larger variant of the KT66. The blackplate RCA are the Other similar substitutions are 6L6GC, 5881, KT66, 5932) (Check with your equipment manufacturer before substituting a EL37 for a 6L6GC or KT66) (EL37 plate and screen voltage should not exceed 400 VDC) (Vfil=6. 00 About Us AmpTubes is a Queensland based business dedicated to providing you the best quality products at the best prices possible, with fast shipping, great customer service and a smooth online shopping experience. I'd really appreciate if you could leave feedback once you receive the item so i know it arrives safely and then i will do the same for you See complete description Notify me before the end of the auctionThe TDSL (Tube Data Sheet Locator) Personal Edition provides information right on your PC for a large number of vacuum tubes. This tube is directly substitutable with the KT66, in fact a 7581A IS a KT66. Tubezone. American tube types usually have the filament voltage as the first digit(s) of the part number, so a 12AX7 requires 12. Page but I do not trust data sheets for any new production tube The KT66 is a very well known audio output beam tetrode valve. If you can't find what you need here, try Duncan's Tube Data Sheet Locator. These KT66 tube are a significant improvement for my push pull power amplifier. 3V RMS. Fixed Bias (Two Valves) Data per pair unless otherwise stated. 5 6 30 2 250 250 14 14 100 000 75 4. KT66 is the designator for a vacuum tube introduced by Marconi-Osram Valve Co. Specifications Data Sheet Part Number: KT66 MP Call for Availability Price Many amateur radio operators used the 6L6 in class C service for transmitters over the years because it was inexpensive due to mass production, and it could be salvaged from scrapped TV or audio equipment. First it appeared as metal tube, then in several glass versions, e. SRV used the KT66 with his Fender amps for his outrageous guitar tone. From the 1970s KT66s lacked the internal carbon dust coating of the glass bulb. Please check for availability. KT66 is the designator for a vacuum tube introduced by Marconi-Osram Valve Co. There is a very nice KT66 version being made by Groove Tubes which sound similar to the Genalex, available in various hardness ratings. KT66 Tube Review. A note with respect to the KT66. The Gold Lion / Genelex KT66 is an excellent copy of the original Genelex re-issue made in Russia. QUAD II 2XKT66 AUDIO PA SCH, QUAD MODEL 22 PREAMP SCH. Almost all of the tube data in commonly available receiving tube handbooks is for audio use. The Mullard tube would have failed our 1956 GEC-MOV visual The OddWatt 6SL7 SRPP / KT77 SIPP Class-A Ultra Linear DIY Tube Amplifier Project. signal 475 360 175 19 17 3-5 vg2 Ig2 Vin (pk) (gl-gl) pa (per valve) pg2 (per valve) Pout No signal 510 395 —40 approx. ) The 6L6, 7581A, 6V6, 6550, EL34, 5881, KT66, KT88, KT90, KT100, etc. Shootout / Comparison - 6L6GC, 5881, 6v6, KT66, KT77, EL34 - Duration: 4:31. 7 10 data sheet 5881tungsol Created Date: 7/20/1999 9:02:53 PM Abstract: gec valves kt66 CV1075 kt66 triode KT66 tube TIM15 Scans-0017958 11PFA Text: THE M-0 VALVE COMPANY LIMITED KT66 BRIEF DATA A beam tetrode with an absolute maximum anode , valve in a stabilized power supply. 3V: I f: 0. Max. data):. Net Tube Data. This results in 5881 tubes having less output power than a 6L6 (how much difference depends on the specific tubes) and also lower clean headroom, meaning a …We work out the trending price by crunching the data on the product’s sale price over the last 90 days. so the tube, and output transformer must work into a varying impedance range. EZ260 Tube Amplifiers and Tube Projects Filament Data; V f: 6. Tube Data Sheet Locator. Find more of what you love on eBay stores! GC3 1 Pair RCA BLACK Plate 6L6GC Tube KT66 6L6 for tube The Legendary Old-School Tone!! The TAD KT66 is our remake of the great British KT66 by MOV (MO Valve), GEC, Genalex and Gold Lion. The figures given are for single ended use, but a pair run in ultra linear AB2 push pull will deliver 50 Watts with 2% distortion. However, typically they are pragmatically assigned a significantly higher Grid #2 rating than for either tetrode or pentode connection. Popular Products of Shuguang Kt66 new Hi-Fi tubes by Professional Audio Amplifier - Changsha Shuguang Audio Ltd. Specifications. Nuvistors were also produced in Europe (by Philips/Mullard, Siemens and Lorenz) and in Russia. This amplifier was featured on the February 2004 Issue of the "High-Fidelity Audio: Radio Technology" by Mr. A. Box Office Mojo Find Movie Box Office Data: JJ Electronic KT66 Factory Data Sheet: KT66 Factory description: Gold plated control grid for improved fidelity. please see 5998A Single Ended Amplifier Tubes Data …As a few examples, the 6L6 tube types can range from the mid 20 watts to 30 watts of max dissipation. KT66 is the designator for a beam tetrode vacuum tube introduced by Marconi-Osram Valve Co 6. LTD kt66 Genalex. Discussion in 'The Workbench' started by big dooley, Nov 26, 2010. It was manufactured in the U. ) 450v Anode Dissipation, per valve v. The KT66 is thought of as a 25 watt tube but also carried a 30 watt "maximum" rating on some sheets. Produced in England, Bottom Getter, Matte Grayplate. 00 We also offer high quality and hard to find parts for DIY tube amplifier projects. This KT66 has a very articulate tone, and nice dynamics. I have however found supplementary data sheets for the Heathkit TC-1, TC-2 and some other charts for other Heathkit radios. " View JJ E34L tube data sheet. select the first character of the tube Shuguang Vacuum Tube Cross Reference Table Type Part Number Cross Reference Triode 2A3B(2A3) 2A3C 2A3C(2A3) 2A3B 300B-98B(300B) 300B-98 300BA(300B) 300BS-B(300B) 211 GL-211 and UV-211 Beam Tetrode EL34-B KT66 KT88-98(KT88), 6550 and CV5220 5881A(5881) 6L6G, 6L6GA, 6L6GB and 6L6GC 6L6GCR(6L6G) 6L6G and 5881 6P3P 6L6G The purpose of this KT88 / KT66 /6550 / KT90 / KT120 page is to give an overview about what KT66, KT88. Interesting Books on Amazon. In electronics, a vacuum tube, an electron tube, or valve (British usage) or, colloquially, a tube (North America), is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. (*)These specifications are provided 'as-is', with no warranty of any kind. Why is this necessary, does one tube go into an imbalance and begin drawing to much current etc?. OUTPUT PENDODE EL34 is an octal power tube with a maximum plate power of 25W. KT66 Genalex Datasheet. Unfortunately, this doesn't cover every tube. The price for these testers on eBay has come down quite a bit. Vacuum Tube Data Sheets. All KT66, 7581A, W-E 350B, 6L6GC, 6L6WGB, and 5881, British and USA vintage. Find great deals on eBay for kt 66 tube gec. Tubezone. The Jackson 648 is seen very regularly on eBay, and few people (including myself) understand the slight differences between the 648, the 648A, the 648-1, the 648R and the 648S. Tadaatsu Atarashi. KT88/6550 Compatible Single Ended Amplifier 5th Jan 2014 (using fladance mp player) 8W rms I set the amplifier using vacuum tubes of different types in the same circuit this time. There are hundreds of pages of Tube amp information on my library page. GENERAL KT66 Tube Data Key: B&W, 600x789 resolution (or slightly less), 8k-22k file size These are a little rough, but often good enough. Also the most common Data sheets are given for these tubes, and links to KT88 and 6550. I am running KT66's in a Low Powered Tweed Twin and in a Tweed Pro. BustedGear. 1986 conversion from EL34 to KT66. GD KT88 Retro. please see 5998A Single Ended Amplifier Tubes Data from tubebbs. Basic math. Image navigation Download Tube Catalogue. Direct heating cathode, medium power consumption triode is used for class A amplification. The 6550s ran from 35 or so watts to 42 or so. 250. I have tried various brand EL34's and the GL KT66 give wide soundstage and balanced sound. -Ug1 = 15 Tube KT 66 or Röhre KT66 ID3176, Beam Power Tube, Octal (Int. Today, there are a number of quality KT88 tubes available for audio and guitar applications. BASE CONNECTIONS AND VALVE CAPACITANCES (of unscreened valve) Data per pair unless otherwise stated. QUAD. Check your amplifier's owner manual to find out what your amp requires or ask us. In September of 1950 Tung-Sol introduced the 5881, an uprated and industrial version of the 6L6GA with a 23. The JJ KT66's and the JJ KT88's are the same diameter as the original GEC KT66's and KT88's which is just under 2 1/8" so you need an GEC Audio Tube Data: Data & Amplifier Designs KT66, KT77 & KT88 Feb 8, 2018. JJ KT66 Datasheet 2007 - Dr. Personal Data Collection and Protection Policy; Welcome to the new and improved Vacuum Tubes, Inc. The KT88 is stronger than a 6550 and ran from the 32 or so watt versions to 50 watts with the KT88S and 42+ watts with the KT88SV. It has a powerful sound with a lot of headroom. 92) Posted by vintageguy on 2002-06-24, 19:49:42 (210. Made in Russia. The 6L6WXT+ also features mica spacers with metal springs to eliminate tube rattle and microphonics. Input 3 x line. If. The checker has a scrolling list of tubes and the settings. And, putting higher AC voltages in proportion to each of the tube elements seems ‘smarter’ than using a typical 25VAC or 30VAC on a ‘virtual diode’. Tube KT 66 or Röhre KT66 ID3176, Beam Power Tube, Octal (Int. 6V (or 6. tube audio power amplifier , rf power KT66 Beam Power Tetrode M. I have a screen shot from Phil's site on which the tube under test is a KT66 so I have the punch pattern for that (although I'm still sorting through the holes and am a bit confused by H-14 and L-14 both being closed) - Comes with 6L6GC power tubes, but also supports wide range of power tubes, such as KT88, KT90, KT66, EL34, etc. These are extremely rare tubes A tube manual or tube manufacturer's technical data sheets should be consulted first, before making a decision on a proper output transformer. Eligible for FREE UK Delivery. Power Tubes: 6V6 vs 6L6 vs KT66 Discussion in 'Amps and Cabs' started by ToTheAtom, Apr 16, 2010. No museum would be complete without the Williamson amplifier. 95 $ 18 95 Prime. 2nd edition. Check out reviews of our popular audio tubes. If the page is blank click here GEC KT66 Datasheet tube test data for use with tube testers i-177, i-177-a, and i-177-b (page 6) Note E The tubes listed below should not be tapped when testing for shorts because damage to the tube may result: Brimar Thermionic Products – Official Site→Brimar TP KT66 (Matched Pair) → Brimar KT66 Beam Tetrode Data. KT88/6550 Compatible Single Ended Amplifier 5th Jan 2014 (using fladance mp player) 8W rms I set the amplifier using vacuum tubes of different types in the same circuit this time. KT66 is the designator for a beam tetrode vacuum tube introduced by Marconi-Osram Valve Co The KT66 is a very well known audio output beam tetrode valve. I have a copy of a review that appeared on the Tube Store website (might still be there) that seems to imply the "TungSol" KT66 draws the same current as a 6L6GC, but it's been proven they're not even a real KT66. by Gec. Used Quad 66 for sale on 150+ second hand hifi Using our free SEO "Keyword Suggest" keyword analyzer you can run the keyword analysis "Kt66 Amp" in detail. 30 watter. To complete the always implied boiler-plate stuff—all reviews are subjective and just one writer's opinion—the specific sound of an output tube is a function of the circuit it works in and the tube (or occasionally Mosfet as in Nagra's new 300B amplifier) which drives it. Tube Substitution Table > Dealer Login Promotions Contact Us tube's lifespan and ensure the amplifier is not damaged. Ug2 = 250 V. A Mullard engineer said of the EL37 'that unlike similar valves it only needed a whiff of signal to drive it to full output. Log in; Tools. The data on this page reflects the approximate year that these amplifiers were made and not the actual dates of manufacture of the amplifier. In stock. 5 watt plate dissipation, opening the doors to the hi-fi movement of the 1950s. With the surprising resurgence of interest in vacuum tube (valves to many) technology, accurate information about the use of these devices is crucial. This has a number of In stock £12. If you look up the data on a power tube, it This amplifier was later used on the "17 Output Transformers Sound Comparison on the EL34 Push-Pull Mono-Blocks" featured on the "Tube Kingdom" 2003 Winter issue Vol27. Penta / Shuguang KT66 Beam Tetrode Matched Pair This is a very well known audio output beam tetrode valve. Due to high current and power capability of these tubes, it is very important that the KT88 tubes are well matched. Ive got a Metro amps GMP45 that runs NOS GEC KT66. Brand on Tube: Genalex Gold Monarch : Real Tube Manufacturer: M-O Valve Co. so be patient . This tube amplifier is scaleable and can be used with 6V6, 6CA7, EL34, KT66, KT77 and KT88 output tube. The KT66 tube type is a 25 Watt tube rated for plate voltage up to 500 volts. 6L6, 6L6G, 6L6GA, 6L6GB, 6L6GC, and all other variants as well as , 5881, KT66. As a very general guideline, an EL84 is a 12 watt tube, a 6V6 is a 14 watt tube, an EL34 is a 25 watt tube (except the GT E34LS is a 30 watter and not to be confused Integrity Pure Products Tube Data "New Audio Frontiers Legend KT66 Integrated Valve Amp, used, ex demo, for sale" I've always been obsessed with tube amps but The Avatar 45 watt amp has two preamp channels and a tube rectified, KT66 based fixed-bias power section it includes high quality components, including Classic Tone transformers, Mallory150 series tone caps, Carling switches, Cliff jacks and Alpha potentiometers. Nuvistors were the latest tube development at just about the same time as the introduction of the first integrated semi­conductor circuits. About KT66 Tube. In Other Penta News Interested in the history of vacuum tubes? Want to see someone make an electron tube by hand? Check out Penta's blog. Output 8/16 Ohm speakers volume controlled preamp-out. kt88 End of forum contributions about this tube You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. I have stocks of many Tube sockets, covers and spring retainers. Tube. As with many of the Eastern European tubes, mechanical noise is an issue if used in high power combo style amps. New Search ~ Valve Data Sheets and Application Notes ~ so far ~ They each present their Valve Data in different but interesting and informative ways: Tube pages ~ Frank RAPHAELITE CP66 KT66 CV1075 VT75 Hi-End Pull Push Tube Valve Amplifier W/ Fully Coupled OPT,The CP66 is compatible with multi type of tubes include KT88/6550, EL34 30 Pa p Puit p Pg2 p 0 0 p 5 Figure 4. In series designed for measurement of: 12AT7=ECC81, 12AU7=ECC82, 12AX7=ECC83, 6SL7-GT, 6CA7=EL34, KT66, KT88, 6550, 6L6-GC, 5881, 6V6-GT, 6BQ5=EL84 Surface: Aluminium, anodized This data is scanned and may contain errors caused by the OCR software. KT66 has been used in high end audio amps in Europe, as well as in the legendary Marshall BluesBreaker combo amps in the 1960-70s. So the cathode idle voltage is equal to 300V - 163V = 137 V . Sovtek 5881WXT Power Vacuum Tube single tube 5 148 4 350 250 -18 18 200 000 53 2. One of the best current production KT66 tubes available. EL-34 ~ FEEL the power ~ of your amp's power section On the subject of tube amplification, you’ll often find discussions of one tube type being better than another. Search refinements. New refers to a brand-new, unused, unopened, undamaged item, while Used refers to an item that has been used previously. Brand 6L6 GC PHILIPS ECG DOUBLE O-O GETTER Similar to EL34 KT66 KT88 GEC 1PC NEW NOS. For tube matching test, also just press the button to choose types of tubes undergo matching process, and set the desired bias level for match, then the display will show the first tube under match's reading, just press a "Memory" button and the first read will record as references data for comparison, put in another tubes which undergo Click on any of the tubes below to view a sample page : 6L6 / 6L6GC - viewable sample: The following tubes are also featured in this section on the CLASSIC AMPS CDROM: Raphaelite CP65 Tube Amplifier Multi-function Push-pull KT88 6550 EL34 KT66 HIFI Product Description: - Raphaelite CP65 Multi-function push-pull KT88、6550、EL34、KT66 tube amplifier Rectifier comparison and interchangeability chart. If your tube isn't listed then pick one with the same Max Dissipation Rate which is shown to the right in the tube list. (*)These specifications are provided 'as-is', with no warranty of any kind. ” used in 50’s-60’s hi-fi favorites such as the Heathkit W-5M and many Leak amplifiers. 227. g. -Ug1 = 15 KT66 Tube Review. The Golden Dragon KT88 Retro is produced to a similar shape to the original GEC/MO design, and has identical operating characteristics. This might be the only and the best sounding 32bit USB DAC which can work with the wonderful sound Mullard EL32 and those other big power tubes like KT66 or 6550, it can effortlessly surpass the sonic performance of any small (6922, 12AX7etc) / medium (6SL7, 6SN7etc) size tube DAC and any solid-state DAC in the industry. Within these pages you will find not only vintage but modern production tubes aimed at the audio market. Trustpilot. I have tried various brand EL34's and the GL KT66 give wide soundstage and balanced sound. 76. 0 mA/V it is almost twice the value of the KT66 and the 6L6. In the stock marshall tube codes. 6L6 Power Tubes ~ REALLY! 6MJ6 - - - - MORE POWER! 12AX7 Comparisons ~ Best and Worst 210 / 10 / 10Y / 801A / VT62 Tubes The 6146 / 6883 Family of Tubes 6146 DATA INFORMATION G. Pre The 6L6WXT+ also features mica spacers with metal springs to eliminate tube rattle and microphonics. Title: KT66 Author: M-O Valve Subject: JA-FP-2000-10-01 Created Date: 10/1/2000 7:01:51 PM A nuvistor is a miniature vacuum tube in a thimble sized metal case. Any way thanks for the comments guys and like I said, I am more interested in the historical aspect rather than trying to establish who makes the best KT66 or 6L6GC tubes. A good analogy from the automotive world is the idle speed of a motor. The bias controls the current that flows through the tube and defines the quiescent point of the tube, so that the tube reacts immediately to an input signal and so that it amplifies that signal accurately. The EL-34 is generally a 25 watt tube while the E34LS is a 30 watter. It is dedicated to be used in audio frequency range which requires the output power 100W. The other measures 88 ma and 7,45 ma/v. Other Tung-Sol tubes 6L6 Tube Types In common with all 'E' prefix tubes, using the Mullard–Philips tube designation, the EL34 has a heater voltage of 6. Paperback. They produce a similar voltage drop to 5U4 rectifiers but require only 2 amps of heater/filament current from the power transformer as opposed to 3 amps for a 5U4. 1-16 of 133 results for "kt66 tube" KT66 - Genalex Gold Lion, Single or Matched: Matched Pair. This is the ultimate 6L6GC/KT66 type of tube, and probably one of the most sought after WE tubes next to the 300B. Correct orientation of the valve socket for horizontally mounting the KT66. KT66 Kinkless Tetrode Duncan Munro's excellent TDSL3 search engine for tube datasheets on the Web. I am aware that they draw more heater current and they require a rebias but is there anything else I should do to safely run them ? It's a legit substitution. Show more documents KT66 A. In this section you can find synonyms for the word "Kt66 Amp", similar queries, as well as a gallery of images showing the full picture of possible uses for this word (Expressions). 2007 DR SPANISH Catalog. Two great Genalex KT 66 tubes with brown base and gray coated glass in original boxes. Save gec kt66 to get e-mail alerts and updates on your eBay Feed. - A newly developed "Active automatic bias adjustment function automatically adjusts the bias for the optimal condition for each tube