What does that mean? A Comparison of Current Production 12AX7 Tubes. Used by Rivera - Demeter and Kendrick among others Compare with other tubes here. 12AX7WA - 80. Incredible preamp tubes - period. It is used by Fender, Ampeg, Carvin, and Hartke, among others. Detail and Dynamics 3 Summary: Made for function, not flair. $26.95. The WA are more rugged due to the shorter plates and have extremly low microphonics. The WA are more rugged due to the shorter plates and have extremly low microphonics. Sovtek 12AX7WC Preamp Tube. Sovtek 12AX7WA/7025 $43.22/EACH. 12AX7 / ECC83 / 7025. Sovtek 12AX7WB12AX7WARivera - DemeterKendrick $24.99. Electo-Harmonics makes a 12AX7EH. Sovtek 12AX7WB/7025 $58.30/EACH. I've been re-tubing a couple heads. Tube Amp Doctor. Sovtek 12AX7WC - This one, I haven't tried. Tung-Sol ECC803S/12AX7 Gold Pins $77.30/EACH. . . The Sovtek 12AX7WA have a slightly lower gain than the 12AX7WB which has a slightly lower gain than what would be considered a typical 12AX7 12AX7WA - 80 12AX7WB - 90 12AX7WC - 100 <- typical 12AX7 will be around 100-110 gain. I remember it being a little different, but I didn't really like it any better. 12AX7WA/WB/WC types hold up better than other 12AX7 tubes in cathode follower circuits where the maximum cathode to heater rating of 100 volts is often exceeded. It has a bump in the low end and is similar to 12AX7WA. No experience with the WC. These tubes sound Very Good in Marshall Amplifiers. We have a great online selection at the lowest prices with Fast & Free shipping on many items! But some references only refer to the wb have better gain. Sovtek 12AX7WA: Ok output, with a somewhat thin sound. The Sovtek 12AX7WA have a slightly lower gain than the 12AX7WB which has a slightly lower gain than what would be considered a typical 12AX7. 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. The Sovtek 12AX7WA/WB/WC series of tubes are general-purpose workhorse types that provide reliable performance in a variety of applications. The Sovtek 12AX7WA have a slightly lower gain than the 12AX7WB which has a slightly lower gain than what would be considered a typical 12AX7 12AX7WA - 80 12AX7WB - 90 12AX7WC - 100 <- typical 12AX7 will be around 100-110 . They are tonally rich . These tubes are frequently found as OEM tubes in many different brands of amplifiers. 3,234(3,557) sovtek el84 (6bq5) 2,359(2,594) sovtek el84m (6bq5) 4,036(4,439) Both tubes were sort of "lifeless" and sterile sounding. Large sound stage with excellent detail Factory selected for low noise and lowest microphonic. 12AX7 long plate and 12AX7A: Plate 1.2 Watt, Grid resistor 2.2 Meg Ohm. V1: JJ ECC83S, V2: JJ ECC83, V3: JJ ECC81, V4: Sovtek 12AX7WB, V5: Sovtek 12AX7LPS, V6-9: JJ EL84 (matched quad), V10: Sovtek 5AR4 Recommended Bias Point: Cathode Biased (no re-biasing necessary) Fuse Value: 2A 250V SLO 1.25 x .25 The TAD 12AX7A-C can replace any 7025, 12AX7WA, 12AX7WB, 12AX7LPS, 12AX7EH, ECC83 or E83CC. 12AX7: the original version of this tube. sovtek 5ar4 (gz34) 3,270(3,597) sovtek 5y3gt. The Sovtek is better suited for cleaner playing whereas the Sylvania was better suited for distorted playing (Marshall Plexi). Tung-Sol 12AX7/ECC83 $59.38/EACH. It is also used in Preamp Circuitry of Guitar Amplifiers. Tung-Sol ECC803S/12AX7 Gold Pins $77.30/EACH. . Budda Amplification Superdrive 45 Tube Chart Your power tubes may need replacing if: 1. Additional info. We carry a large selection of 12AX7 tubes to help you get the right sonic from your gear. 12AX7 : Plate 1 Watt, Grid resistor 2.2 Meg Ohm. The 12AX7 was originally intended as replacement for the 6SL7 family of dual-triode amplifier tubes for audio applications. These often have large rectangular plates with several horizontal ribs. Sovtek 12AX7WB/7025 - I think I tried this around the same time as the 12AX7WA. They Are Tonally Rich, Robustly Engineered, And Well-suited For The Demanding Audiophile Or Musician. EF86 ECC99 ECL82 12AY7 12DW7 12BH7 ; Our Valve Brands Menu Toggle. They are NOT the same tube. Product information Warranty & Support Product Warranty: For warranty information about this product, please click here The 12AX7WB has about 6% more gain than the 12AX7WA and a slightly darker sound signature, which is great for smoothing out harsh sounding amplifiers. Amongst all these tubes, 12AX7 has the highest voltage gain factor (mu) of 100. SKU: SOV-12AX7WB. . 29,62 including VAT 19% , [plus shipping] Qty Add to cart Add to wish list 12AX7WB Sovtek The 12AX7-WB is favored by Marshall owners for it's gainier characteristics and extra "kick" in big power heads. Brand New. I'm in favor of NOS or used OS tubes. With a tube phono I really like the Sovtek 12AX7LPS tubes and the newer Mullard CV4004/12AX7 tubes. So far I have tryed the Telefunken NOS, Dutch Amperex NOS, RCA, GE, Tesla, Sovtek (WA, WB and LPS versions), Ei and Electo-Harmonix. 12AX7WB - 90. Fine for your amp. Idem.. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. See our Best 12AX7 Review for top choices . $26.30. The 12AX7WA and 12AX7WB are particularly crummy sounding but reliable tubes. The WA are more rugged due to the shorter plates and have extremly low microphonics. Details. 12AX7 Series of tubes 12AX7A / 12AX7B / 12AX7WA / 12AX7WB /12AX7LPS / 7025 / ECC83 ETC. 12AX7 Basics The 12AX7 is a 9-pin miniature, high-mu, twin triode. Sovtek 12AX7WB - Darker than the WA, better gain. However, Diamond Blue Series Reverberockets are not high-gain amps. It is still the best thing Sovtek has produced in a 12AX7, with very good gain and low noise. 3,090(3,399) . One other note about the construction of these tubes is they have filaments that are almost completely encased in the plate structure. ): NOS RFT Just to state the obvious, it's astounding how much different preamp tube swapping makes. 12AX7WC - 100 <- typical 12AX7 will be around 100-110 gain. Sovtek 7025/12AX7WB Vacuum Tube (Editor's Choice) Sovtek 7025 vacuum tube is a budget-friendly tube. The Sovtek 12AX7WB has more gain and saturation than our WA. I would advise against using them in compact high-powered combo amps where they will be subjected to lots of vibration. Svetlana 12AX7 $54.02/EACH. Get some replacements to swap as a test. Description. 6N2P: Plate 1 Watt, Grid resistor 0.5 Meg Ohm. way better than the original tubes from Sovtek (standard factory tubes). Again - this tube is perfect for the budget minded. Just one example, FWIW, in one of my boogies, going to a Mullard ax7 in V1 made no discernable difference . Oct 9, 2001 #2 TedB New member The Genalex CV4004 was designed with the same high standards as the long plate 12AX7 . The Sovtek 12AX7WA is the most widely used 12AX7 in the world today. New Sovtek 12AX7WA / 7025 Vacuum Tube. The purpose of this comparison is simply to . 12AX7WB - 90. Two vacuum tubes were tested for each type (left and right channel). Las mejores ofertas para 12AX7 RCA Long Black Plates [] Square Tilt Getter Matched Tubes Made in USA '58 estn en eBay Compara precios y caractersticas de productos nuevos y usados Muchos artculos con envo gratis! The Sovtek 12AX7WA have a slightly lower gain than the 12AX7WB which has a slightly lower gain than what would be considered a typical 12AX7. Delete. 2,875(3,162) sovtek 7025/12ax7wa. This low-end acoustic response is typified by an eloquent midrange and highly soothing high-end tonality. The Sovtek 12ax7wa 7025 Ecc83 Is Noted For Balancing Low-frequency Warmth And Crisp High End, And Is Always A Smart . By this scoring, the best tube overall is the Electro-Harmonics 12AX7. The 12AX7LP and 12AX7LPS came out in the late '90's, long after the WA and WB. Today, 12AX7 is the most common preamp tube used in guitar and audio amp due to its high amplification factor (mu). Brand New with Full Manufacturer's Warranty! Tung-Sol 12AX7/ECC83 $59.38/EACH. Brand New with Full Manufacturer's Warranty! I have also tried 12AT7 tubes in the 911 and did not hear a big difference vs the 12AX7. Sorry if I'm confusing you. Each. Any of the following will work fine: - 12AX7 = a 12AX7. Sovtek 12AX7WC $52.68/EACH. To my ears the Electro-Harmonix are very good but the inexpensive Ei 12AX7s that I bought from Parts Express for $6.50 each sound the best. Svetlana 12AX7 $54.02/EACH. What's the difference between all of these? - 12AX7A = a 12AX7 designed for series or parallel heater wiring. RCA developed the 12AX7 tube in the 1940s for general purpose amplification. Bulk Lot X100 Sovtek 12ax7wa Vacuum Tubes Vacuum Tubes From Sovtek Have Long Been Considered Top-shelf, And For Good Reason. Quick view Add to Cart The item has been added . Single tube ECC83/7025 equivalent 12ax7 matched pair 12ax7eh preamp tubes 6v6 tube ecc81 preamp tubes groove tubes sovtek 12ax7wa ecc803s tube tube preamp Mullard 12AX7 / CV4004 Tube 61 3 offers from $39.99 Here are a couple of differences in the maximum allowed specs of the 6N2P versus the 12AX7 and 12AX7A. and the WB has the same gain as the WC Sovtek 12AX7WC The WC version has the higher gain then the WA. 12AX7WB - 90. 2,396(2,635) sovtek 7025/12ax7wb. The graph shows that small differences . The WA are more rugged due to the shorter plates and have extremly low microphonics. 12AX7WA - 80. Most peope use a 5771, 12at7, 12ay7 or whatever variant in this position and I have to. Catalog Sections EFFECTS PEDALS, AMPS & ACCESSORIES TUBES PARTS . The EH tubes sound good, better then the JJ and Chinese stuff. By the way I use this amp at home and it is way to loud to get a decent tube sound out of it. The Sovtek LPS (large spiral plate) is HUGELY FAVORED as a phase inverter (PI) due to its quite charecteristics. I think RCA black plate 12ax7s sound bad in hifi applications -- they're fat, bloated and unnaturally warm in the bass and lower midrange. These tubes have robust construction and look premium which is a perfect combination for . sold out. I was referring to the 12ax7wb having a better low end than the wa. Sovtek 12AX7WA, WB, WC - tried 2 or 3 WAs, 1 WB, 2 WCs. This can only be used in parallel filament circuits. The Sovtek 12AX7WB has more gain and saturation than the WA. The 12AX7 tube is one of the pin-compatible tubes ( 5751, 12AT7, 12AY7, 12AV7, 12AU7) with differing gains. Whatever floats your boat. New Gain Tested Sovtek 12AX7WB / 7025 Vacuum Tube Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. It has the same gain. - 7025 = a 12AX7 designed for lower self-noise. I have not really tried them as much because I like the EH. Genalex "Gold Lion" ECC83 aka "12AX7". 12AX7WC - 100 <- typical 12AX7 will be around 100-110 gain. For lowest microphonics, Tung Sol 12AX7. The Sovtek 12AX7WXT+ and Sylvania come next. The best for THD is the Sino 12AX7, but wow does that filament glow bright for a second or so after switch on! Brand New. Still reading reviews however WC has more gain, WB is darker..WC is the brightest of all, followed by WA, and then WB is the most dark WA and WB are low gain.. archetype Senior Stratmaster Silver Member Nov 26, 2016 These are also used as OEM by various makers. The WA are more rugged due to the shorter plates and have extremly low microphonics. 12AX7WA - 80. Features Superlative high-gain preamp tube I've been putting them mostly in the V1 positions, as well as the clean-clean/gain sockets. Its warmer, darker sound is preferred by Rivera, VHT, Demeter, and Kendrick, among other manufacturers. Created using gold plated contact pins, solid mica spacers, noise-canceling spiral filaments, and two extra-large plates this 12AX7 tube furnish focused low-end response. This 12AX7 is a dual triode currenty produced in Russia. Rugged enough they often come stock in many amps. Sovtek 12AX7WA / 7025 Preamp Tube. Electro Harmonix (EH) Genalex Gold Lion; JJ Electronic; PS Vane; Sovtek; . 3. The big difference is that has a "darker" tone than the other two. Filament that proved so successful in taming noise, New Sensor has used in all their designs since end. In Guitar and audio amp due to the shorter plates and have extremly low.! On many items, better gain the letters represent Blue Series Reverberockets are high-gain Rich, Robustly Engineered, and Kendrick among others //www.hamerfanclub.com/forums/topic/79771-preamp-tubes-which-do-you-use-current-production/ '' > what # 12Ax7Wa tubes? < /a > 12AX7: plate 1.2 Watt, Grid resistor 2.2 Ohm. 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