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In Reply to: RE: So many 300B schematics...which one? posted by Audiodyssey on October 03, 2009 at 23:12:38
I think the power supply is so often neglected in 300B set that I have seen. I would say that the order of impact on the sound is:
1) topology (2 stages or 3 stages or interstage transformer etc.)
2) quality of the iron
3) power supply
choices like AC or DC heaters and how clean your B+ is will play big because you are probably using high eff speakers (95dB and more if you can find some) with your 7-8 watts and hence you will hear the power supply effects.
cheers
paba
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