Wayne Parham Messages: 18702 Registered: January 2001
Illuminati (33rd Degree)
You might consider a delayed relay. Use a DPST relay and a 555 timer and transistor to drive it. It's a simple solution. Not as simple as a single cap or something like that, but it really isn't much effort. You can easily put it on a small perfboard and get power from the amp's internal power supply. If need be, add a 7812 regulator to bring the supply voltage down for your timer circuit.
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