aeberbach
Headphoneus Supremus
If you follow the directions and use the servo then probably here will never be damaging DC going through your cans.
What if a component fails?
I was thinking of using an opamp (comparator) and relay per channel, one input being the AC coupled amp output and the other the DC coupled output. In normal operation the output of the comparator holds a relay closed. If the DC coupled output exceeds the AC coupled output then the relay would drop out and possibly light a warning LED.
What if a component fails?
I was thinking of using an opamp (comparator) and relay per channel, one input being the AC coupled amp output and the other the DC coupled output. In normal operation the output of the comparator holds a relay closed. If the DC coupled output exceeds the AC coupled output then the relay would drop out and possibly light a warning LED.