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In Reply to: RE: Could I be all wrong after all? posted by petercapo on October 19, 2015 at 20:45:37
I'll first try the GL KT-66 and then at a later date the TungSol EL34B. Then maybe tinkle with the more economical 12AU7 driver tube. I already have a vintage amp that I treasure and use frequently. Two very different amps. Two very different sound presentations. Enjoy!
I would like to make painfully clear and clarify something from previous post below. I never implied or mentioned the word "sterile". I however DID say I LIKE the sound of the amp exactly the way it is. All I am trying to do is tube roll wisely. Is it wise to replicate something I already have - a vintage amp. Or strap on a pair ($$) and go with a more modern tube amp sound.
Thank you all for your input and I will stop festering and just buy something already for the holidays.
charles
Follow Ups:
Don't economize on the 12AU7. It can make a real difference. The older Mullards are most likely to warm up the sound. There are others such as certain Brimars, but I wouldn't count on a Brimar to do the trick unless you are familiar with it. I saw a comment here about the "BIG tone' that 6sn7s can bring to the sound Q. I couldn't agree more but be careful choosing it,once again get suggestions/directions about which to try.
BTW I own a couple of Sherwoods, the rich vintage tube sound is what they could make, they would probably sound much like the current production amps available today.
Steve
Mullard 12AU7's and new production Tung Sol 6L6G's will give you more midrange magic than the GL KT66.
...try the octal board with the 6SN7s that have "big tone."The KT66 is a really retro-cool-looking tube, but from what I read I kind of doubt it will get you any closer to a vintage sound, in fact, the opposite may be more likely.
The Tung Sol EL34B might help. Don't overlook the JJ E34L. AND, I've read different commentaries all suggesting the JJ 6CA7 is warmer and rounder.
Eurotubes.com touts a well-considered burn-in and matching process for the JJs they sell. BOI AudioWorks also has JJ and they claim a burn-in and matching process. Antique Electronic Supply is supposedly using a new burn-in and matching procedure. You might be able to get two quads of these other choices for the price of one quad of GL KT66. Just some food for thought.
Edits: 10/20/15 10/20/15 10/20/15 10/20/15 10/20/15 10/20/15 10/20/15
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