• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

switch-on, switch-off sequence for preamp/amp

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I am now trying to design some idiot-proofing into my Aikido tube preamp / solid-state power amp system. So far, so good. I have been remembering to switch the power amp on last, and to switch it off first. However, at some point, I am likely to forget to follow this seqence.

Does the order of switch-on-off actually matter? My guess is that switch-off is less important than switch-on.

How difficult would it be to build a sequential power distribution circuit. It would need to have around 60 secs delay on make for the solid-state amp, and maybe 10 seconds delay on break for the preamp.

The Adcom ACE 515 does has a 10 second delay for the power-amp. I don't know if this can be changed by swapping out a relay.

Any ideas?


Charlie
 
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