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Unity Gain Control Amp

Posted by Triode_Kingdom on July 5, 2017 at 22:45:49:
I finally got around to completing a schematic (less power supply) for a full-featured control amp. I've been working on various aspects of this for some time. It's unity gain (actually about -0.1 dB) with low output Z, switchable tone controls and built-in RCA-type phono preamp. This is a draft schematic only. Some component values will need to be tweaked, particularly the EQ in the phono where I've substituted the Russian 6N2P for 12AX7s.

I'm planning to construct this in a fairly deep cabinet. All tubes will be mounted horizontally on brackets that span the chassis left-to-right. That will allow easy revision or even replacement of any individual section.

As always, comments welcome.