May 2, 2015 — The reissue Tung-Sol 12AX7 tubes don't impress me much. They seem to lack a ... Best sounding 12AX7A/ECC83 & 12AT7/ECC81 tubes? Telefunken ... Same with long versus short plates as above. An early 60's RCA 7015 .... Dec 8, 2012 — What you do care about is the cathode follower having a nice low output impedance to drive long cables easily. An ECC81/12AT7 has a lower ...
May 27, 2021 — 12AX7 vs 12AT7 vs 12AU7: Differences Explained. The biggest difference between these power tubes is the amount of gain they will provide. The .... 12AT7 / ECC81 vacuum tubes are in stock and ready to ship! Upgrade your tube amplifier and preamplifier now! Also find datasheets and specs.. Jan 5, 2020 — I have a low wattage clean amp and I am thinking of switching the preamp valves for a little more clean headroom. Will that work?20 posts · I think to achieve your aim you need a lower gain tube. For me that has always been a 12AY7 ...
Jan 20, 2014 — Got a superchamp xd with a rattly 12ax7, what effect would swapping it for a ecc81 have or is it a no no?. May 28, 2020 — Lothar's Guitar School - Gear Talk - Preamp Tube Camparison - ECC83 vs ECC81 vs 12AY7 vs ECC82 In this episode I show you 4 different .... The ECC83 MG is a “Mid Gain” 12AX7 type tube. ... the best way to describe the difference is to say that the Gold pin ECC81 is smoother and richer sounding.. 12AX7/ECC83/5751/12AT7/ECC81 Preamp Valve Comparison. Over the last year or so I have tried a number of preamp valves for different sounds and thought .... For example, the common 12AX7 tube has a gain factor of 100, while a 5751 ... 12AX7 - ECC83, 7025, ECC803, E83CC, 6681. 12AT7 - ECC81, 6201, 6679 Manheim auction free password
Nov 3, 2007 — Sure you can plug in an ecc83 where a ecc81 goes and vice versa, but they are quite diffferent valves ... You will only hear a tonal difference. ... ah got it wrong, I thought you meant use ecc81/12at7 instead of ecc83/12ax7.. The JJ ECC81 / 12AT7 preamp vacuum tube presents a warm, harmonically rich ... The new production BLACK SABLE Tung-Sol 12AX7 preamp vacuum tube .... However, it looks like the ECC81 is not as frequently used as the ECC83 (12AX7) or ECC88 (6DJ8) so I thought I'd ask you: have you got any .... Mar 26, 2008 — I know that 12ax7 has more voltage gain and 12at7 handles more current. ... I have some old Telefunken ECC83 smooth plate (12ax7) and ECC81 ... I didn't notice a big difference between 22K or 27K tail resistor so I left the .... This tube has a mu factor of 60, as compared to the higher gain 12AX7 with a factor ... using a 5751 in place of a 12AX7–the lower gain being the main difference. ... the price is generally lower than the premium ECC81 N.O.S. prices currently. series-y-novelas-turcas
ECC81 is 12AT7 medium gain pre-amplifying double triode. Can be also used as replacement for 12AX7 in many applications. Very smooth and warm sound.. Ecc81 vs 12ax7. Discussion in ' Audio Hardware ' started by arrakianMar 3, Log in or Sign up. Steve Hoffman Music Forums. Telefunken, Amperex, Mullard?. 12AT7 is a miniature 9-pin medium-gain (60) dual-triode vacuum tube popular in guitar amplifiers. It belongs to a large family of dual triode vacuum tubes which share the same pinout (EIA 9A), including in particular the very commonly used low-mu 12AU7 and high-mu 12AX7. ... Tung-sol data sheets for EC92 and 12AT7/ECC81 dated January 1969 and .... Most amps use either a 12AX7 or 12AT7 for this purpose. Fender in particular has historically chosen the 12AT7 (AKA ECC81) for its unique capabilities and .... Mar 29, 2017 — There's a pretty significant difference in gain, and volume, between a 12AT7 and a 12AX7 (ECC81 and 83). It certainly won't hurt the amp but ... dc39a6609b python-gps-navigation-example