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Modifying a speaker switch(selector)

R

Rich Grise

Jan 1, 1970
0
Frank A said:
Hi,

Anyone here have any clue how you would go about making a push button
speaker selector (e.g.
http://www.partsexpress.com/pe/pshowdetl.cfm?&DID=7&Partnumber=300-608 ) and
modify it so that it could be controlled from a PC?

I'd like to, perhaps by serial port, be able to chose which speaker buttons
are "pushed".
I'd like to know how they do this "Impedance correction" stuff - but without
more information, the best I could suggest is a bank of 6 solenoids to push
the buttons for you.

Can you get a schematic?

Thanks,
Rich
 
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