The amplifier Gold Black Monster of an incomprehensible design works in the pure Class A again, the output power is 2 x 40 W / 4 Ω.

Monster uses two capacitors 100 000 μF, two separate transformers 2 x 250 VA, biwiring interface of loudspeakers  thorough high quality terminals like for example GRYPHON amplifers. Switch is key again, because  the circuit breaker is better placed.

 Volume regulator is ALPS.