What to do with an old speaker wire?
What to do with an old speaker wire? Strip off any old speaker wire that may be green or brown with corrosion. If the speaker wire ends have RCA jacks -- and the new receiver doesn't incorporate those -- cut them off. Strip back the speaker wire approximately 1/2 inch. Separate the two wire halves. What kind of wire do you need to connect a speaker? Connecting Receivers or Amplifiers. Wires must be connected correctly on both the receiver or amplifier and speakers. The positive speaker terminal (red) on the receiver or amplifier must be connected to the positive terminal...