Next message: George Hechtman: "Re: T&T: Wiring speakers to multi amps"
Thursday, December 1, 2005, 9:41:21 PM, Maurice wrote:
MLAoA> John,
MLAoA> Nope, diodes will not do it. They are for DC and audio is AC. I can
MLAoA> think of several ways to do it, none particularly elegant. Rube Goldberg
MLAoA> to the rescue...!
MLAoA> 1. Use a switch from a surplus electronics store. What you want is
MLAoA> four-pole double throw (better would be 5-pole so you could isolate the
MLAoA> grounds too but these are rare). Most of these switches are push-push
MLAoA> (i.e., button switches, not toggles).
Beware!! - many car audio systems use bridged outputs - neither side of the speaker is grounded - so you will have to switch both leads of each speaker - you will need a total of 8 poles to be safe, unless you can verify that one side of all the car radio speakers is grounded.
--
Peter Bennett, VE7CEI Vancouver, B.C., Canada
Lien Hwa 28 (AKA Polaris 30) "Sea Spray"
GPS and NMEA info: http://vancouver-webpages.com/peter
Vancouver Power Squadron: http://vancouver.powersquadron.ca
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