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In Reply to: I have tried the following: posted by nightdoggy on April 4, 2007 at 16:40:47:
I am using a newer version of the JJ E34L, it is fine but a little bassy. What EL34 or equiv. has the most clarity and details while still being harmonically rich. Should I try the SED's?
Follow Ups:
I had the Tesla E34L's in my Dynaco Mk IV amps, when one went bad I was unable to get new Tesla's and ended up with the SED winged "C" EL34's. In comparison the Tesla sounded thin and less detailed, rather "blah", the SED's are dymanic and extended.
Hi,Based on this thread I bought the SED EL34's and I am really happy with the sound compared to the JJ's. I was mainly looking for more detail and less bass/midbass and it did the trick for sure. I really like these SED's, it sounds warm and mellow with lots of details and swirling harmonics. The JJ's were okay too but just not as detailed and more low end.
Now I am wondering about biasing the tubes because I don't have any special tools and this is a vintage amp that is not self-biasing. I just popped them in basically and everything sounds fine, normal levels of distortion, etc. Do I need to bring the amp in to the shop to adjust the bias, ac and dc balance settings? It also uses 2 12au7 tubes and 1 6a8q which I guess are driver tubes/phase inverter, and these somehow are involved with the bias or something, I think.
Anyway it sounds fine.. can I avoid the work and hassle of bringing my amp?
I can only suggest that the e-h 6CA7EH or EL34EH might satisfy you.
Clarity/details/harmonically rich are attributes everyone seems to want!
One good thing is that the EL34 family of tubes are not expensive so maybe you should buy and try a couple or three you think might be good and experiment.
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