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Old 9th February 2009, 12:18 PM   #1
diyAudio Member
Join Date: Mar 2003
Location: Central NY
Default An external mono switch

Here's a (possibly embarrassingly) simple question. How do I build a mono switch?

I'm designing some speakers and I'm tweaking the crossover on the one of the pair that I have gotten to the point of being able to do so. So I'd like to feed it a mono signal, but my Pearl has no such feature.

Can someone provide me a circuit I can put in a little box to go between the preamp and the amp for this purpose?

By the way, the Pearl is absolutely fantastic.
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Old 9th February 2009, 11:18 PM   #2
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Join Date: Mar 2001
Take two resistors, each of which is about the rated load impedance
of the source, usually 10Kohm. Twist them in series and connect each
end to the two channels. The center twisted connection is your mono.

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Old 10th February 2009, 01:45 AM   #3
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Location: Central NY
Thanks, Nelson. I really appreciate it. Time for an RS run!
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