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Douglas Savitsky
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ecp & Pickett Furniture Guitar Amplifier Prototype
This is another partnership with Pickett Furniture . The circuit uses a pretty standard 12AX7 based gain stage. It then uses a FET source follower into a 1:1 transformer as a phase splitter, and a fixed bias push-pull EL84 triode output stage for a couple o...
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DSHA-2 Headphone Amplifier
The DSHA-2 Headphone amp is almost ready for production, so I thought I'd post a few pictures. The amp is fully differential from front to back and utilizes transformers for gain. It uses the excellent Lundahl LL1544a (shown) or LL1545a for about 10dB gain,...
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Apsara Amplifier
All of these little stories seem to be the same – I tried to
build some circuit, it went badly, and them some little change made it great. This
one is no different. About a year and a half ago I received a request from a friend to
build him a custom tube po...
Apsara Amplifier
Apsara Amplifier
diy.ecpaudio.com
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2014-04-21
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ecp audio diy
ecp audio diy
diy.ecpaudio.com
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