Graaf Amplifier Repairs
Graaf GM20 Power Amplifier
Right side channel was distorted and at low level, resistors in the bias were high resistance due to the heat. Bias was set to 22 mA and the o\p DC was zeroed.
Right side channel was distorted and at low level, resistors in the bias were high resistance due to the heat. Bias was set to 22 mA and the o\p DC was zeroed.