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Phase Test

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Do this test to confirm proper speaker phasing.

  1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA100) into the audio unit.
  2. Play track No. 2 (phase) at a normal, or slightly higher than normal, volume level.
  3. The voice should sound centered and focused when it is in-phase.
  4. The voice should sound diffused, and have less bass when it is out of phase.
    • If the voice changes from in-phase to out of phase as indicated by the prompt, the phasing is correct. Go to ELECTRICAL NOISE TEST .
    • If the voice always sounds out of phase, phasing is not correct, check for:
      • Crossed speaker wire
      • Faulty stereo amplifier
      • Faulty audio unit