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In Reply to: RE: EF39 as 300B driver... posted by Triode_Kingdom on June 13, 2015 at 16:28:05
Do you like the EF36 or EF37A ?
Follow Ups:
The EF37A is what I use as a driver in my 91A clone. It's a great sounding tube.
It was just a joke about the YouTube link. I haven't used these tubes. :)
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Buy Chinese. Bury freedom.
But you already heard or tested the EF39 ?
Aldo Do you still like the 2e25? I bought 30 of them.I got them for ~5$ each! I hope you still think they are good. I am almost too afraid to ask. I am going to try them soon as a driver and maybe a output.
I have been down the pentodes paths that you enquire. I think they are good sounding I think as triodes they are linear. ef37a has an unusual presence or peak in the mid(not sure which). I think the 6c6 are better in triode mode. I have not tried them in pentode.
The proven komuro driver scheme mentioned in this AA thread below is an excellent idea. And a interesting valve article there as well. The 6j5 or 56 direct coupled to a 6v6/6f6 to drive any medium triode is a good combo I think even if using a trans instead of stacked supplys.
Yes, I love the 2E25 sound, is very nice...
Use it in UL mode and triode and this tube is amazing..
I will try the EF39 because the Philips list your use as audio amplifier if you put a negative voltage on grid.
I want a feedback about the 2E25 !!!
Good luck !!!
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