Comparing

This is the basics of what I want: AC exceeds the level of my DC voltage and the light turns on for the moment where the level is exceeded. Eventually I will sink the extra power to ground (haven't decided how yet), and the speaker will play the DC level voltage until the AC signal comes down in amplitude.

It's very archaic and wouldnt 'sound' that good when in protection mode, but I have to start somewhere so, sophistication will have to wait.

Thanks for the response!
 

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