Archived from groups: sci.electronics.components,sci.electronics.repair,sci.electronics.equipment,rec.audio.tech (More info?)
Lars wrote:
> 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.
most amplifiers have switches for two sets of speakers that do just that.
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Archived from groups: sci.electronics.components,sci.electronics.repair,sci.electronics.equipment,rec.audio.tech (More info?)
"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.
Archived from groups: sci.electronics.components,sci.electronics.repair,sci.electronics.equipment,rec.audio.tech (More info?)
"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.
Only with a tube amplifier.
| (b) The lack of any load on one channel may cause the amplifier to
| have a shorter life than otherwise.
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