In Reply to: RE: The previous line, Alon, worked very well with DeHavilland. posted by justaudio on January 14, 2009 at 07:26:07:
Nine-pin tubes are used because they are easily available, not because they have superior performance. The octal-base 6SN7 is far superior as a voltage amplifier, but it is a bit more difficult to find. The benefit is in the pleasures of tube type experimentation: there are some fantastically good NOS versions of the 6SN7.
DeHavilland makes a stereo 845 amp that uses 6SN7s for voltage gain and 6AU5 driver tubes. This seems to me to be a better selection of tube characteristics for the circuit functions.
The 845 is a good tube for audio, but the GM-70 is superior if you can afford the monoblocks.
I would avoid push-pull amps with these speakers, as there is always the issue of crossover distortion.
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Follow Ups
- The Dared uses 12AX7 tubes. - Al Sekela 11:43:58 01/14/09 (0)