No. Since the blown channels have no input or output, they are out of the pwr. supply loop when wattage & current are supplied to the working channels.
Blown Amp Channels
Quick question from a novice. Some time ago I fried two channels of my five channel power amplifier. I have been using the remaining three channels ever since. Each channel is independent with its own power supply, and so forth. My question is whether the remaining three channels would be likely to operate more efficiently if I disconnect the power supply to the two broken channels? Any input appreciated.