How to bi-wire polk speakers

Written by nichole liandi
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How to bi-wire polk speakers
Some Polk Audio speakers can be bi-wired. (speaker wire image by Paolo from Fotolia.com)

Some audio enthusiasts favour bi-wiring their home speakers for better audio performance. In bi-wiring, a separate speaker wire is run from a single amplifier to the tweeter and the woofer of the speaker. Not all speakers can be bi-wired--the speaker in question must have separate speaker terminals for the woofer and tweeter. Polk Audio builds many models of speakers. Some can be bi-wired.

Skill level:
Easy

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Things you need

  • Speaker wire
  • Wire cutters
  • Wire strippers

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Instructions

  1. 1

    Examine your speakers to see if they can be bi-wired. You can also consult the speakers' manual. If the back of the speaker has two pairs of speaker terminals, connected together with a set of metal bridges or jumpers, you can bi-wire the speakers.

  2. 2

    Loosen the speaker terminals by unscrewing them to the left and slide the jumpers out from between the terminals so that the terminals are not connected. The jumpers are left in for normal wiring.

  3. 3

    Cut two lengths of speaker wire, long enough to reach from your amplifier to the speaker you're wiring. Pull apart the two speaker wire leads for a length of 2 inches on both ends of both wires. Remove 1/2 inch of insulation from the ends of each lead with wire strippers.

  4. 4

    Note which lead of the speaker wires are marked positive with a "+" on the insulation. If the wires aren't marked thus, pick one lead (they're usually colour-coded) and choose it as the positive lead. The positive leads will always connect to the positive terminals, colour-coded red on Polk Audio speakers.

  5. 5

    Loosen the speaker terminals enough to slide a wire into the openings on the terminal posts. Take the first wire and connect to the tweeter terminals (the upper set)--positive to red, and negative to black. Tighten the terminals to hold the wires. Repeat with the second wire and the woofer terminals.

  6. 6

    Twist together the positive leads of the two wires on the other end, then the negative leads. Loosen the speaker output terminals on the back of your amplifier. Connect the positive wires to the positive (red) terminal and the negative to the negative (black) terminal.

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