2022-01-18 : Have a look at our production model, the ABYss.
Our Lab #52 is here. Finally, a proper ABY Box with a a ground lift and Phase Inverter function on the Output B.
You can now use two amps without any ground loop and without worrying about phase matching.
Left footswitch toggle between output A and B. Right footswitch activate both outputs.
Power consumption : 11mA
Voltage : 9Vdc center negative