The Demidoff Power Out PCB is compatible with all Demidoff amplifiers ever produced. We suggest anyway old model with Red PCB to replace both PCB of the Stereo Amplifier. The Demidoff Power Out PCB is supplied with matched power transistors
The Demidoff Matched pair of transistors is a super selected pair with high tolerenace of power transistors guaranteed by Gold Note could even replace the standard transistors used in all S1 & S3 amplifiers ever produced
The Input Selector is a high quality 6 positions 2 ways Input Selector compatible with all Gold Note S amplifiers, Demidoff DSA non electronic volume control amplifiers as well as any amplifier need an adjustable from 2 to 6 stereo position input selctor.