How to Remove a Hiss From Home Theater Speakers

Written by david lipscomb Google
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How to Remove a Hiss From Home Theater Speakers
Remove hiss from your home theatre. (Photos.com/AbleStock.com/Getty Images)

Noise from home theatre speakers can come in a few forms. Hissing is typically a fault with one or more components in a home theatre. Reducing this background noise is critical for fully enjoying the theatre system, so that only the content on the DVD or Blu-ray disc is audible. Removing this noise is a process involving isolating the source of the issue and taking steps to remedy it.

Skill level:
Moderately Easy

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Instructions

  1. 1

    Turn off all the components in your home theatre. Leave everything plugged into AC power. Unplug all source devices from the preamplifier or receiver. Unplug the preamplifier or receiver from a separate amplifier, if so equipped.

  2. 2

    Turn on the amplifier, if you have a separate amp in the system. Otherwise, turn on the receiver.

  3. 3

    If no noise is detected, begin to sequentially connect the source components until the hissing sound is detected. This is your problematic component.

  4. 4

    Remove the cables connecting the component to the receiver or preamplifier. Replace them with new and/or shorter versions. If the noise continues, remove the component for service.

Tips and warnings

  • Always try to separate AC power cords from low-level interconnects, such as RCA cables. If they must meet, attempt to make them cross at a 90-degree angle to cancel noise.
  • Turn down the volume. Raising the volume past a receiver's or amplifier's limits will showcase hiss typically below the noise floor.

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