This Pedal is currently available.
Overdrive Preamp
Circuit is based on the Benson Chimera 30 watt guitar amplifier, but substitutes FET transistors for the vacuum tubes.
Power requirements: 9VDC Centre negative, Boss style adapter or battery 50ma
https://www.bensonamps.com/preamp/preamp
Included in 4 Pedalboards, 3 are public:
