[sdiy] Blocking audio at power off
Roy J. Tellason
rtellason at verizon.net
Tue Sep 9 18:04:04 CEST 2008
On Monday 08 September 2008 09:46, Justin Owen wrote:
> Hey all,
>
> Probably hoping for too much here - but what's the absolute simplest way of
> blocking an audio signal through a circuit when it is powered down.
>
> I'm getting signal from the audio input of a circuit going through a
> transistor straight to the output after I've turned it 'off'.
>
> When I say simple - I mean simpler than adding another transistor set up as
> a switch, an IC or a hardware switch...
>
> ...any such thing exist?
Feed the audio through a relay, when power to the coil goes away, the
contacts open...
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ablest -- form of life in this section of space, a critter that can
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