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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Volume control at the speaker?
"Pooh Bear" wrote in message ... wrote: Simple answer. Purchase a speaker selector switch at any electronics outlet. The selector switch takes one pair of amplifier outputs and spilts out the output to 4 and up to 8 stereo pairs. (it takes care of the impedance problems). Pray - tell us - how does it do that - " it takes care of the impedance problems " ? I rather think it does no such thing. Graham What they do is introduce a fixed resistance into the load to keep the impedance from dropping too low. It is a common misconception among salespeople, reps, and consumers that they maintain a constant impedance. There is a slight drop in output when the "protection" is introduced. The bottom line is that these units can work quite well but they can also allow impedances at the amplifier to go too low for some amps to reliably drive. Leonard |
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