So here is the circuit for delaying a relay on the outputs of an amplifier.
in this picture there is only the delay circuit. It is made to be powered straight from the 12V AC supply, but should be easy to redo for some other higher voltage.
The relay which is switched by the transistor is then operating the power contacts. The second relay is there to ensure immediate discharging of the timing cap, so if you rapidly switch power on-off-on the time before on is always the same. It is a small DIP polarised relay.
in this picture there is only the delay circuit. It is made to be powered straight from the 12V AC supply, but should be easy to redo for some other higher voltage.
The relay which is switched by the transistor is then operating the power contacts. The second relay is there to ensure immediate discharging of the timing cap, so if you rapidly switch power on-off-on the time before on is always the same. It is a small DIP polarised relay.
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