My 20-39PC+ started doing the same thing about a month after I received it. The amplifier assembly had to be replaced -- SVS suspected the power supply. I switched on and off manually while the new amp was being shipped out.

Replacement was a no-brainer and no problems since. Here's the patient in the middle of the operation :



Last edited by bridgman; 06/19/05 01:40 PM.
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8