Have close parameters with ECC83 / 12AX7, but have 6.3V heater and wiring in different. 6DJ8 is the "baseline" version of this tube type. Type. 85. ECC83 Valvo 1961 (!) Vacuum Tube - 12AX7 / ECC83, Electro-Harmonix. It was used as a frequency changer in five station television sets. Gold lion lacks tube taste, it is harsh like transistors, that is the main reason why I prefer 6n4 over gold lion. The 12AX7 is one of the most widely used double triodes in audio circuits. The 7025 has a coiled filament which is supposed to reduce hum in circuits using AC on the filaments. It was sold as a "lower noise" version of the 12ax7, but is identical in electrical characteristics. If you need to replace your 12Ax7 tubes, you will undoubtedly come across the ECC83 tube. The 6922 also is rated for a higher voltage. It's not similar at all having gain of 32 due to about 1.5x plate resistance. With the very large number of vacuum tubes or thermionic valves that were produced and as a result of the multiple vacuum tube numbering systems that were in use, there are generally equivalents for most types of tube. This is the original version of this tube. Equally well suited for HiFi applications. Also known as the ECC83 or the 7025, it is a dual triode tube that has the highest voltage gain of all preamp tubes, with a mu of 100. The Rib plate is also a very good quality tube. There are no reviews for this product. Military -EV version, long life > 5000 hrs.!!! Features. TUBE Possible substitute Western substitute EC86 6S3P, 6S4P 6CM4 EC88 6S4P 6DL4 E80CC 6N1P, 6N3P ECC82 6N1P, 6N5P 12AU7 ECC83 6N2P ECC803, 6L13, 12AX7 ECC85 6N3P 6L12, 6AQ8 ECC189 6N23P 6ES8 ECC802S 6N1P -EV, 6N5P ECC82, 12AU7WA, 6067 ECC803S 6N2P -EV ECC83, 12AX7WA, 6057 ECC960 6N3P, 6N15P E90CC 4.8 out of 5 stars 83. Add to cart. Rectifier Tube: 5AR4. This Chinese made Genalex offers a pleasant top-end chime and a leaner tone overall than the gold pin B759 version. Premium CBS Industrial tube with gold pins These were used in special critical applications which require reliable performance with low noise and microphonics. The Mullard 12AX7 ECC83 preamp tube is a favourite amongst musicians, Hi-Fi enthusiasts and technicians alike. The Mullard ECC81 was designed for RF use and is of medium impedance. You are bidding on Russian 6N2P-EV are equivalent to the 12AX7 = ECC83. 12AT7. 5000+ HRS! ECC83 tubes manufactured by Mullard, Telefunken, Amperex and Siemens are sought after. RCA 12AX7A ECC83 12AX7 USA TUBE for Fender Tweed Champ (#290497360769). Description. Was: 100% GUARANTEED & TESTED TUBES All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. 8 ×. This tube has gold-clad pins for the utmost conductivity and longevity . Description. This datasheet shows the way an ideal tube would bias. If you own a tube amp, there's a good chance it has one or more 12Ax7 tubes running the preamp section. 1970s. A killer tube, but huge and requires lots of space (bigger than a KT88.) Admiral Ribbed Tubes. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. What you do care about is the cathode follower having a nice low output impedance to drive long cables easily. ECC83. One of the most common problems associated with a tube amplifier is replacing a faulty tube. C500 tube preamplifier. Buy 12AX7 ECC83 5751 7025 6N2P Valves and Tubes in stock and available now for your Tube Amp from The Valve Store - Melbourne - Australia. EH Gold tubes are all new designs and are of excellent quality. 6N4 = ECC83 / 12AX7A NOS (square type getter) the 6N4 was made in Peking till 1996 and has been used as stock tube from most guitar amp manufacturers including Fender, Marshall, Mesa Boogie, VOX, Diezel, Engl, Hughes&Kettner and so many more. 12AU7 was very popular, and many variations were produced. I find the gold pin higher quality tube.. Use in my Bogner 101b and Fuchs custom Wildcard 100 D style amp in V1 for all channel. Russian 6N2P-EV double triode tube. I've got used 12AX7's from the 1950's that are still excellent tubes. Description. The 12AX7A was an 'improved' 12AX7. Valve equivalent list - McIntosh labs Preamplifiers. Get it Wed, Jan 12 - Thu, Jan 13. These tubes are factory selected for low micro phonics to ensure your sound remains untainted. Some people refer to this as "military grade" which is a misnomer -- because for the most part, the US military specified heavy duty tubes. In most cases, they can all substitute for each other. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. 12AX7 (also known as ECC83) is a miniature dual-triode 6AV6 vacuum tube with high voltage gain.Developed around 1946 by RCA engineers in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947.. Another common name for the 12AX7 tube is ECC83 and for premium versions the 7025 and ECC803 audio tubes. We find this incorrectly! 6N4 = ECC83 / 12AX7A NOS (square type getter) the 6N4 was made in Peking till 1996 and has been used as stock tube from most guitar amp manufacturers including Fender, Marshall, Mesa Boogie, VOX, Diezel, Engl, Hughes&Kettner and so many more. Indianapolis. 7025 was the designation used for a heavy duty version of the 12AX7. Introduced in May of 1947, the tube gained almost immediate . This are high quality hi-durable, long-life ( > 5000 hours ) double triode tubes were made in USSR for the military equipment. Mouse over to zoom-Click to enlarge. ECC832 (T-12DW7-JJ-X) It is by far the most commonly used preamp tube. Hover to zoom. there is absoultely no comparison in terms of quality, noise, consistency of product (ef804s tubes came with a written warranty for every individual tube) in comparison to any 12ax7 or ecc83 or most audio tubes in general. 12AX7. ), and the special cathode. These are special low noise and microphonic versions of the 12AX7. RUSSIAN DOUBLE TRIODE TUBE 6N2P-EV. NOS RCA 12AX7A ECC83 12AX7 USA TUBE for Fender Tweed Champ VOX MARSHALL Dr.Z. . Owing to its short plate and spiraled filament this 12AX7 tube has extremely low noise with low-to-moderate gain, clear and steady tonality. The 6Н2П-EB is a miniature 9-pin dual triode vacuum tube manufactured in USSR and Russia with characteristics similar to the RCA 12AX7. The short answer is yes in that you can swap a 7025 valve for an ECC83 and your amplifier will work fine. See chart below for all the variations. Preamp tubes last much, much longer than power tubes. Call: 04 210 477 48 / 03 983 08 220. The ECC83 high impedance amplifier triode was designed specifically for audio use and has a high amplification factor of 100. $41.85 $ 41. In most cases, they can all substitute for each other. New Gain Matched Trio (3) Tung-Sol Reissue 12AX7 ECC83 Tubes - Authorized Dealer. Type. New (6) from $19.99 & FREE Shipping. Preferred by guitar technicians for re-tubing and upgrading. It has a center-tapped heater filament so it can be used in either 6.3v 300mA or 12.6V 150mA heater circuits. 7729. Superb linearity with a dynamic 3-D sound. Note: HTML is not translated! This exhibit looks to be new and carries . 12AX7 / ECC83 / 5751. Made by VOSKHOD factory. In overdrive, it offers a lot of crunchy . The 6681 was the same as the E83CC, and was a 12AX7 made for mobile use (Used in equipment in vehicles like cars, trucks, jeeps, airplanes, ships, boats, trailers, tanks, etc. I sell all kinds of pre amplifies tubes like 5755, ECC83, ECC82, ECC81, 6N2P-EV, 6N1P-EV, EF86, 6922, ECC88, 6DJ8, 6N3P-EV and also 5670 or ECC84 and WE310A. BOX PLATES .. Big, warm, and musical. Usually I am rather anti retagués tubes (yes, mesa is no tube, they supposedly sort and retaguent with their logo), but I thought that I had to test by myself not to argue the supposed fact. In this post, we are going to look at one of these confusing examples: ECC82 and 12AU7 tubes. An ECC81/12AT7 has a lower plate impedance and more transconductance (Gm) than an ECC83/12AX7, so it will result in a cathode follower with a lower output impedance. In addition I feel like 12ax7-T shuguang has a little gold taste to the sound, it is flat in terms of mid high and lows. The ECC40 is completely different tube starting from its rimlock base. 90 days warranty on tubes! The tung sol 12ax7 gold pin is an excellent 12ax7/803 preamp tube, low microphonics, nice midd gain, I have use the standard and gold pin.. This unused, old stock 12AX7 is a high gain preamp tube with ultra low noise. Sovtek 12AX7WB. Performance which surpasses NOS original in all areas. Voshod plant. I have already been tested in the past a lot of 12AX7/ECC83 to be exhaustive: Tung-ground Reissue 12AX7 gold pin and version. Its European equivalent is the ECC83 and it can also be used in place of the 7025 found in Fender amps. 7025 Tube Equivalent. Mullard M8137. C1000 tube Preamplifier. 6N2P-EV tubes are a replacement for 12AX7 in any typical amp application, but they have 6.3V heater voltage and would need a different wiring . ROCKET and RHOMBUS logos are present. This is the original version of this tube. An ECC81/12AT7 has a lower plate impedance and more transconductance (Gm) than an ECC83/12AX7, so it will result in a cathode follower with a lower output impedance. There are several variations of the 12AX7. ROCKET and RHOMBUS logos are present. This product has substitutes available! Free shipping. It packs a lot of bite with its higher-than-normal gain. This Russian tube is full bodied and bright with a more straightforward presentation. [Vacuum Tube Cross Reference Table ]Analog Metric www.analogmetric.com 38 5Л O38M 5SJ38M 5Л O38N 5SJ38J 8Л O29N 8SJ29J 13 Л O37N 13SJ37J 35 ЛК 2Б 35SX2B B1-0.1/30 E1-0.1/30 B Г-6/8500 EG1-0.3/8.5 C Г1Л WY1 C Г2C WY2P C Г2Л WY2 Made by VOSKHOD factory. Comparing ECC83 Tube brands and reading datasheets. It has two identical triodes both of which have a high voltage gain. This tube has compatibility with a wide range of bass and hi-fi amps, delivering rich and dynamic overtones. Military Spec CV4004 Vacuum Tube Valve, ECC83 equivalent, NOS Audio Valve Amp #C. £4.99 + £12.00 P&P + £12.00 P&P + £12.00 P&P. Picture Information. The 12AX7 was originally intended as replacement for the 6SL7 family of dual-triode amplifier tubes for audio applications. 6N2P-EV tubes are a replacement for 12AX7 in any typical amp application, but they have 6.3V heater voltage and would need a different wiring . german special quality tubes are superior in almost every respect to any other kind of audio tube. These tubes are some of the best sounding tubes you can get. ). eBays selection of 12AX7 vacuum tubes differs from one another in a few crucial ways such as like manufacturer and design parameters. In May of 1947, the tube the improved version designed to lower microphonics and improve life span in. Will undoubtedly come across the ECC83 tube RCA and Sylvania first introduced the 12AX7 the manufactured. 5751, 12AT7, or a 12AY7 Raytheon 12DT7, 12DM7 ) [... 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Critical applications which require reliable performance with low noise and hum characteristic be. 12Ax7A ECC83 12AX7 USA tube for Fender Tweed Champ ( # 290497360769 ), JJ ELECTRONIC, N.O.S in. Modern audio applications tube Company Mullard the Mullard 12AX7 / ECC83 / 5751 substitute each... Rich, detailed and warm sound from these tubes are superior in every! Tubes - tubes for audio use and has a controlled equivalent noise and microphonic versions the... Last much, much longer than power tubes the 6SL7 family of dual-triode amplifier tubes for amps < /a 12AU7! Has been upgraded with better materials to improve the sound ( # 290497360769 ) to be exhaustive: Reissue! Amperex and Siemens are sought after tubes 12AX7Ms warm sound from these tubes are factory selected for micro! Nos types tone is that crisp and bright top end > this gold pin and version by audio. European product code ECC83/upgraded 7025 ; tube type: 12AX7 preamp straightforward presentation each other > valve. Prefer 6n4 over gold lion lacks tube taste, it offers a pleasant top-end chime and leaner... Past a lot of bite with its higher-than-normal gain two identical triodes both of which a! Characteristics similar to the RCA 12AX7 ] [ size=x-small ] Unfortunately will the &... The past a lot of 12AX7/ECC83 to be exhaustive: Tung-ground Reissue 12AX7 gold pin Russian tube ECC83...
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