Re: On/off switch for one small stereo speaker - good idea?
From: Watson A.Name - \ (NOSPAM_at_dslextreme.com)
Date: 10/27/04
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Date: Wed, 27 Oct 2004 05:07:43 -0700
"Lars" <larry@invalid.com> wrote in message
news:958F7AC6AC86551D7E@130.133.1.4...
> Can you specialists me advise please. I want to be able to switch a
> small speaker on and off.
>
> The speaker is attached to a small stereo (approx 15W + 15W) which
> has one speaker in the kitchen and one in the hallway.
>
> Is it ok to simply put a switch in the speaker lead? I am concerned
> about two things with this approach:
>
> (a) The on/off action may cause transients which may damage the
> amplifier.
>
> (b) The lack of any load on one channel may cause the amplifier to
> have a shorter life than otherwise.
> Any advice gratefully received. Thank you.
Lack of load shouldn't hurt a modern solid state amplifier. But if
you're concerned, switch a load of a 20 to 30 ohm, 10 watt resistor in
place of the speaker.
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