Can I use KT66 instead of 6L6?
6L6 and KT66 are essentially the same tube, but depending on the 6L6GC and KT66 being compared, the 6L6GC might be smoother, while the KT66 might be a tad more aggressive.
Can KT66 replace EL34?
The JJ KT77 is a drop in replacement for almost any EL34 type tube amp for a little different flavor. The JJ KT66 can be used in a variety of amps that use 6L6’s if there is room!
What amp uses KT66?
Very well known amps were designed with KT66 tube. For example, legendary LEAK Quad II and Heath W5M use KT66 tube in Williamson circuit. And of course, the Marshall JTM45 and its derivative models 1961 and 1962 used the KT66 tubes.
What is the difference between 6L6 and 6L6GC?
Re: 6L6 vs 6L6GC tubes The short answer is yes. There won’t be any difference in sound or output.
What’s the difference between a KT66 and a 6L6?
The KT66 type of octal power tubes were developed in Britain in response to the 6L6 type tube. As you saw in my other posts, I’ve recently replaced my RCA blackplate 6L6GC’s with a pair of JJ KT66’s. I think I really notice a significant change in the bass response of my Allen Old Flame (just like yours).
What kind of amps use the KT66 tube?
Very well known amps were designed with KT66 tube. For example, legendary LEAK Quad II and Heath W5M use KT66 tube in Williamson circuit. And of course, the Marshall JTM45 and its derivative models 1961 and 1962 used the KT66 tubes. These Marshall KT66 tube amps are called the Bluesbreaker and known for their round bell-like tone.
What’s the difference between Tweed Bassman 6L6 and KT66?
Other major differences are all the components, the KT66’s are the only UK-specific part (the Tweed Bassman spec’ed 5881’s, a variation on the 6L6GB), there are also the Radio Spares transformers, and…well…just about every part under the hood was a British part.
Can a kt-66 drop in a 5881 AMP?
Yes. KT-66’s will drop in to a 5881 amp (such as your Traynor) as long as they will physically fit (The KT-66 bottle is bigger than a 5881 or 6L6). So be sure to check your socket spacing and valve retainers for clearance.