K&K Audio / Lundahl Transformers

RE: SE GM-70 monoblock amplifier

68.221.39.154

In Reply to: RE: SE GM-70 monoblock amplifier posted by arend-jan on July 11, 2008 at 00:09:08

No, you've been around here long enough that I don't think you are a wiseguy. You're just a passionate DIYer, like me.

It's not that I dislike fixed bias, but in the original conception of the GM-70 amp I was trying to reduce complexity and a bias supply didn't help me achieve that goal, so it was abandoned. It might still be a good idea, but there are things ahead of it in the line to be explored.

The copper plate GM-70 has a decided advantage over the graphite plate tube in overall transparency, but is otherwise tonally similar.

Kevin Carter
K&K Audio
www.kandkaudio.com

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