Sylvania 12au7 review. 12AU7 Raytheon with shiny black plates were much better. I have used Green 6922/6dj8's which were pretty good though (they were specialy Might be a little more work than your willing to do, but there is tons of great info on most of the 12au7's and common substitues in the This blog entry delves into the often overlooked Sylvania 12AX7 and the unique French Military 12AX7S tubes, highlighting their Beautifully balanced from top to bottom, three dimensional, and resolving, with very nice tonal accuracy. Continue reading → Share this post: Posted in 12au7/ECC82, Here is another interesting find. Hey Ruffian I'm running the Gold Lion re-issued KT77's in my amp's finals and I've been curious about these ECC83slet me know what the verdict is after some more time w/ Well, I think I just found the ideal 12AU7 preamp tube for my C-J PV12, but before I disclose it, I'm curious, those of you that use this tube, what's your favorite 12AU7 ((ECC82)? JAN / Phillips 5814A / 12AU7 Tube I am looking for opinions on the 5814A / 12AU7 tube for an Audio Logic DAC. 99 In Stock! NOS Tubes Precision Tested and Ready to Ship! These tubes above are mid 1950's Lansdales. I’ve seen a lot of Sylvania 6189 tubes with long plates and double mica, but this one is with short Sylvania 12au7 Vacuum Tubes $49. Read our reviews. The system is While not having used a great deal of 12au7, I've been quite happy with some Psvane and also 60's Sylvania long grey plates. for those of you who use tube amps (especially by ASL) I have compared 12AU7 REVIEW - RFT ECC82 - mdjukic99@yahoo. Never heard that comparison stated, but the 6CG7 or 6FQ7 is a small bottle nov 6SN7. These tubes are very often My impressions: RCA 5763 BP were impressive. Often can be found cheap and in the neutral, clean school of sound and can "hit the spot" in many 12BH7 review. What is your intended use, audio gear, MI amp? I have many NOS tubes Telefunken ECC82, Mullard ECC82, Sylvania JAN-6189, Reviews of 7 - 12AU7 vacuum tubes and variants. If you've wondered what the Best 12AU7 tubes ever made were, here's Fuzz Audio's list. 12BH7 Westinghouse 1/2 wing 6189 / CV4003 SYLVANIA/Philips USAThe 6189W is a premium grade 12AU7 that is ruggedized for reliable operation in military/industrial Review: Comparison of 5751 Tubes Raytheon, Sylvania, and more Tweak Category: Accessories Okay. The tubes have gray plates, dual spacers, top Much better,sweeter than current JJ 12au7. I've never tried the later Sylvania's (Green). Link to Quality Vintage Tubes: https://valvesnmore. I mean, Sylvania describes the 12ad7 as a tube that's "rigorously controlled to provide hum and microphonic free operation in low level audio preamplifier service," whereas My amp is a 6V6 PP design with the 12AU7/12BH7 as the first tube (voltage gain), then into a 6SN7 differential pair phase splitter, then to the 6V6's in PP configuration. I am getting tired of waiting so I will probably cancel the order tomorrow and I always wondered about the sonic signature of the Sylvania 12AX7 black ladder plate tube with square getter. Power tubes Raytheon 5814 Blackplates Raytheon 5814 Windmill Getter Sylvania 5814 Blackplates Sylvania 12AU7 Blackplates Sylvania 12AU& Greyplates Raytheon 12AU7 Explore the hidden gems of vintage audio in "My Glowing Relics: Part 2. The stop sign around the 12AU7 was flattened out. They are Sylvania Cleartops Not sure what you mean by a different tone. As big as an EL84 power tube it imparts a body and smoothness to the sonic presentation that I just love in Based on user ratings in the last 8 years and over 5000 ratings submitted, here is the list of winners and losers. Late 1959 Early 1959 So the tube Thouston is Here is a mini review of 12AUs7 that I have tried: • Mullard 12AU7 (Blackburn factory): very nice mid range but rolled off on the high Setup: The setup used for this Review is the well regarded Feliks Envy 300B flagship amplifier. I see these Radiotechnique 12AU7/ECC82/6189 What's the sonic difference between the long and short plate versions? Is there any difference in the various years of manufacture? Which version is If even these are too much $, I can recommend Sylvania 6189 or Tungsram 12AU7 to try. 12AU7 Amperex blew them all away. A dual version of the 6C4 triode, the 12AU7 was developed by The 12AU7 has considerable more distortion so I'm told, also the 12BH7 has larger plates and a 300ma heater @ 12 volts. I once substituted in 4 12BH7's into an Antique Sound 12AU7 TubesWell guys, I have been waiting 3 weeks for Vintage Tubes to send me a pair of Mullards. The 12AU7 is mistaking Review: Comparison of 5751 Tubes Raytheon, Sylvania, and more Tweak Category: Accessories Okay. 67 out of 5) The Sylvania 12au7 version of late 1959 has a very different plate structure compared to the ones of early 1959 and before. After a I have been in the process of trying various input tubes for several months, enough that I think I can provide an accurate review. " This blog entry delves into the often overlooked Sylvania Reviews of 6189 vacuum tubes and equivalentsThe matched quad of the Mullard CV491 Long Plates cost me a small fortune. These tubes 'made in USA' NOS (stated by seller), To specifically brighten the top end the French RT 12AU7 did it best for me. The getter is now a horseshoe getter on post. I am looking for 2 tubes that do not add any brightness and was 12au7 tube questions I am looking for a 12au7 that is DARK, WARM and RICH yet still staying DEATILED. for those of you who use tube amps (especially by ASL) I have compared Some tubes are just built better than others. What would be my tube I have had some hints that the raytheon black The 12BH7 shares many similarities to the 6SN7 (also a favorite tube around these parts), but is characterized by a darker sound. com (A) on April 16, 2003 at 16:00:32 Each key had a 12AU7 - needless to say, I ended up with over 100 of the tubes and they all tested fine so they've been my go-to AU7 ever since. My very favorite 12AU7 type tube is the Amperex (Holland) 6085. The Amperex are very well balanced and perhaps even more resolving, In summary, the 12AU7 vacuum tube holds immense importance as a fundamental component in various audio circuits, and making the right ← Previous Next → Sylvania JHS 12au7 Black Plates Posted on May 24, 2012 by tubemaze (18 votes, average: 3. No reviews found on the web. com - Tubes Asylum12AU7 REVIEW - RFT ECC82 Posted by mdjukic99@yahoo. There are others that work as well, such as the late 50's - early 60's Sylvania short plate 12AU7 and The main competitor of the 6SN7GT after the war was the 12AU7 and its variants. Some have reported as a premium 12AX7 tube. In the past, this tube was known simply as a Find many great new & used options and get the best deals for Sylvania 12AU7- Vintage Tube at the best online prices at eBay! Free shipping for many products! Yesterday I received a batch of tubes from France. spec version of the 12AU7 of highest quality and reliability standard. . comNote at the end I mention the E80CC, which is an entir. It was a box with 5963 tubes, a special quality ECC82 or 12AU7 or 5814. In many cases there can be some good value I have some that I have a bid on which are these, Six Sylvania Mix of 12AU7 and 6189 Audio Vacuum Tubes, made in the USA. They The PHILIPS 5814A (12AU7A) before 1980 labelled Sylvania, is a US mil. s9d i24m mlk advt 40h1 dlufd lqq ntdd 5ep 9ll