I have three stereo pcb's going spare.
Built and tested.
Requires valve (12au7 or 12ax7), power supply and heatsink.
£18 each plus p+p £4.20 to UK only.
Built and tested.
Requires valve (12au7 or 12ax7), power supply and heatsink.
£18 each plus p+p £4.20 to UK only.

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The valve uses a cathode follower in front of the chip amp.
Valve B+ power is from +/- supplies added together.
Heater power is taken via dropper from power supply +ve rail.
Valve B+ power is from +/- supplies added together.
Heater power is taken via dropper from power supply +ve rail.