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I have a B&K power amplifier(home not auto). The original two wire power cord is damaged. I want to replace it with a three wire(positive, negative, ground) Originally one wire went to a fuse and the other wire went to a strip of plug-in wire connectors. I purchased a IEC power cord socket and wired it in. Then i pluged it into the all. I blew the fuse coming off the positive line. so i switched them. Blew a fuse again. Any assistance would be greatly appreciated.

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Get an electrical tester (screw driver with live indicator built in) and check which socket on your wall is live, connect the live/phase line to the fuse and the neutral to the other plug-in wire connector. conect earth or ground to any part of the power amp housing (should be conductive). do not connect earth to any part of the circuit board. urs is an amp that is not built to have earth connection on the board. be careful. 

Posted on Jun 06, 2010

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Posted on Jan 02, 2017

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How To Bi-Amp And Bi-Wire Speakers!


What is the difference between bi-wiring and bi-amping?
Bi-wiring is using the same power source (amplifier) but separately connecting that power source to a woofer and a midrange/tweeter on a speaker.

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Your speaker must have two separate positive and negative connections (one set for the woofer and one set for the midrange/tweeter). Connect one wire between the positive terminal on the amplifier/receiver the positive terminal on the speaker. Connect the other wire from the negative terminal on the amplifier/receiver to the corresponding negative terminal on the speaker. Remove the jumper straps connecting the two sets of speaker inputs. Repeat this process for the second set of terminals on the speaker, connecting them to the same positive and negative terminals on the receiver/amplifier. Repeat the steps for each speaker you wish to Bi-Wire, connecting them to the appropriate terminals on your receiver/amplifier.

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