Siemens 12ax7 review I'm not really a NOS tube Guy, they lost to "Cost vs. We also offer high quality and hard to find parts for DIY tube amplifier projects. New Old Stock in original box. . Some of my favorite 12AX7’s of all time. Used – Excellent. Thanks for. Jul 16, 2002 · Mullard CV4004 (83-85). BALANCED & MATCHED TRIODE 1962 MATCHED-PAIR TUBES! WEST GERMANY SIEMENS with TRIPLE-MICA inner construction for low microphonic performance, especially when in an ALL IN ONE combo amp! 3-MICAS RECOMMENDED FOR LOW MICROPHONIC APPLICATIONS . These tubes include those produced by Mullard, Amperex, Siemens, Telefunken, Tungsram, RFT, Ei, Mazda, Lorenz, Philips and others. The Mullards almost always had the needle go way above the max of 110 or whatever the best rating was. European ECC83s are generally sought after for their warm sound (with exceptions -- Telefunken, for example). remember this, all reviews are based on how your setup leans so no review will be 100% for everyone however; as I have tried this on several types of tube amps, I think it will be helpful. This is a early 1960s date coded very low noise, seldom seen special quality triple mica 12AX7, made with the old-style Siemens German precision. Original boxing and all Oct 9, 2019 · Test - review of 12AX7/ECC83/ECC803 vacuum tubes . This is the rarest "Long-Plate" audio tubes ever made, with fast response, overwhelming detail, the most realistic bass, and overall perfection in a 12AX7 / ECC83 class of tubes. Homepage. EXTREMELY RARE. Mullard 12ax7 long plate- Warm and the classic tube sound. TV-7 and MaxiPreamp Test results can be found on the boxes in the last photo. This is the rarest 2-getter support audio tubes ever made, with fast response, overwhelming detail, the most realistic bass, and overall perfection in a 12AX7 / ECC83 class of tubes. Stand Mounts & Monitors. Ultra Low Noise with Crystal Clear Voice! Recommended for Siemens & Halske ECC83 Characteristics: - long plates - Considered the HOLY-GRAIL of the Siemens & Halske Munich West Germany tubes. Double getter support; short ribbed plates. Seller Reviews (205) Similar Listings. 99. ECC803S / E83CC = 12AX7 SUPERIOR-QUALITY 12AX7 UPGRADE. Performance", for me anyway. This listing is for an extremely rare, spectacular condition, and tightly balanced 1959 Siemens ECC83/12AX7 long plate, and dual support O getter It tests well in the NOS range, and was also checked in my Trace Eliott combo amp, where it exhibited extremely low noise/microphonics, and Jan 18, 2021 · I'm game-on to explore tube-rolling the 12AT7 preamp tube of my 300b amp. New Price $26. Its soundstage has impressive depth but its lateral imaging is less intriguing: images stick to the centre and they never go beyond the left or right speaker. Find many great new & used options and get the best deals for Siemens 12AX7/ECC83 Vintage Tube at the best online prices at eBay! Free shipping for many products! Siemens & Halske ECC83 Characteristics: - double getter support Considered the HOLY-GRAIL of the Siemens & Halske Munich West Germany tubes. In lengthy conversation with Brent, we decided to start with a pair of 1953 Siemens ECC83 long plates. My favourites are still the Telefunken types and the large plate Philips and Siemens types from the 50s. Aug 3, 2018 · The Mullard 12AX7 long plate square getter is the best I ever heard. Feb 5, 2018 · Not sure about the "best", but my beloved Raytheon 12AX7A are my favorites. The top end is silky and pleasant, without being rolled-off. Jul 25, 2019 · The strongest testing tubes were the Mullard 12AX7 I63 batch, the weakest were the O getter Tung Sol which is maybe why they sound veiled to me. The Genalex Gold Lion EEC83/12AX7 is my current fav and a close second Mullard 12AX7, both are reissue's and not overly pricy. 99 By clicking Subscribe, I agree to receive exclusive offers & promotions, news & reviews, and This listing is for a minty condition, 1960's SIEMENS GERMANY 12AX7/ECC83 gray plate with halo getterIt tests right in the NOS range, is almost perfectly balanced, and also spent some time in my Velocette combo amp where it performed beautifully with extremely low noise/microphonicsThe Siemens uses the same plates as the Mullard and the Amperex, but to my ears is a bit more organic than Brand new kca nos tubes tested Siemens 12ax7/ecc83 I paid 90 for it never used it no longer have the amp. Used – Very Good. Raphael Deangelico and Dennis0675 like this. Lively tube. Our website features secure payment options and fast, convenient shipping around the world. VERY nicely balanced and extended, similar to GE 5751 with great body. Extremely neutral and open soundstage! For super critical low noise applications such as recording, microphones, and phono stages. Mullard 12ax7 short plate- Less warm and sometimes even more dynamic-I61 esp. Less air than the best 5751, but better balanced than Tungsram or Raytheon 12AX7. The cast GE Grey plates Jul 19, 2010 · Well, as it turns out, while I was seeking consensus on this forum, the particular Telefunkens that I was eyeballing were sold to a gentleman in Hong Kong (the quick and the dead). Seeking to try different 12AT7 NOS tube and 12AT7-substitutes (not 12ax7 or 12au7) to get some different flavor. Vintage tube ECC83 / 12AX7 Siemens, made in germany 1970, tested high & balanced, Tous les tubes ont été controlés sur analyseur Metrix LX109A (Courant anode Ia, pente S, gaz, court-circuits), Hope you enjoy the video as much as I enjoy making it :) Both Philips and Siemens are amazing and have amazing sound, a bit diffierent from each other but bo Special Reserve-Siemens Rohre E83CC Super Low Noise version laboratory tested so these are highly select,,, within 1dB of theoretical noise limit for the 12ax7. Tubes Tested on Amplitrex AT1000 Digital Tube Test Feb 5, 2018 · The Genalex Gold Lion EEC83/12AX7 is my current fav and a close second Mullard 12AX7, both are reissue's and not overly pricy. SIEMENS 12AX7 ECC83 CV492 Purchased new in box from the Tube Museum Tested in my VOX and sounds very strong, beautiful, clean and silent 17mm Smooth Long Plate Manufactured on Original Telefunken Equipment after it moved from Germany. Quite a noisy tube, one of the noisiest in the test. These have the ultra wide bandwidth of the Telefunken ECC803S. literally off the charts. I did decide on Amperex Holland in the end over Telefunken East Germany and Mullard Blackburn UK. Sep 14, 2019 · I decided to take the day and roll some 12AX7 pre amp tubes to try to decide what is my best sounding tube and I can't really say that only one brand of tubes would be my choice in every amplifier. Test better than nominal new in all measures. These are the quietest of the quiet. 12AX7/ECC83 Siemens "Admiral" MaxiPreamp2/TV7 tested (1) tube lot. A tube I thought is Jan 21, 2013 · I have been in the process of trying various input tubes for several months, enough that I think I can provide an accurate review. Subwoofers Siemens, Mullard, GE, Tung-sol or RCA Oct 17, 2007 · ECC83 is the European designation for the 12AX7 tube -- (it is the same exact tube). Oct 9, 2019 · TUNG-SOL 12AX7/ECC83 GOLD PIN. The ECC83 Gallery 12AX7 E83CC ECC803S 7025 : 5751 CV4004 CV492 B339 : The ECC83 is still the most important preamp and driver tube. Floorstanding loudspeakers. This is the first tube I've tried that arguably betters the Telefunken ECC801S. If they're not everything I'm looking for, I'll try the Mazda's. I have never looked back since then. Mar 16, 2015 · Telefunken 12ax7 smooth plate- Clean and neutral. Phenomenal Testing & Sounding Siemens Long-Plate 12AX7/ECC83 Low-Noise NOS Audio tube, rare painted-glass bottom mC5 codes, made for audio! This version offers smooth highs, lots of open air, excellent realistic bass response, smooth extended midrange for audio applications, or for the guitarist get for that deep world renoun tone with high Jan 8, 2015 · The Siemens Halske E81CC is one awesome tube. Amperes BugleBoy 12ax7 Foil Getter- Very similiar to Mullard Long plates but with more detail Mazda 12ax7-To me sounds like Teles with a dash of Amperex. Midrange sounds down a couple of DB, but treble is not rolled off and bass may be a bit stronger. Great in Alpha DAC, better than rest in my circuit, until I tired the Tungsram 12AX7. Jan 21, 2013 · Like a warm British jacket of the finest tweed, these glorious tubes have an attractive sweet warmth in their midrange and lower regions. They were in the 80-85 range usually. I actually found NOS Siemens 5751's Siemens 12ax7 1970,s. The Lorenz ECC83s sound very nice, too. The best of these tubes retain a fine sense of "air" at the top, and the upper midrange is smooth and liquid. And the Siemens tube is not even broken in yet! Siemens made 5751, Ultra-low noise premium 12AX7, TRIPLE MICA, standard pins. Amperex 12AX7 is also quite good--like the TS, but missing some clarity. Beautiful matched pair of 1963 i62 Siemens 12AX7, manufactured for Telefunken. Seller stated Telefunken 803s are not as good at $1K+ each. Price Drop. Jul 19, 2010 · I upgraded from a Telefunken 12AX7 smooth plate and this one blew me away for its extremely low noise floor and ultra detailing, yet retaining a very liquid smooth sound. TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles. $69.
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