How to Use a Panasonic VP-7722A

Written by dan harkins
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Panasonic's VP-7722A audio analyzer is used mostly when recording or performing music. The device connects with your audio components, then measures and displays 10 different variables of sound quality, including frequency, volume, distortion and signal accuracy. Using digital controls, the VP-7722A offers sound engineers automatic ranging and tuning, as well as the ability to test various audio devices for precision and range. Mastering the analysis of audio variables is a lengthy process, requiring much hands-on experience, but learning the basics of using your VP-7722A takes little time and effort.

Skill level:
Moderately Easy

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Things you need

  • Power cable
  • Audio cables for connecting components

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  1. 1

    Plug your VP-7722A into outlet power. Connect an audio component like a receiver or CD player to the ports on the back of your VP-7722A, matching up the standard red and black plugs and ports.

  2. 2

    Play a recorded track on the connected device, or tune it to a clear radio station. If you're plugging in an instrument, play a song you're fully familiar with.

  3. 3

    Monitor the display for the audio analysis. The right side of the display screen shows, in order: frequency measurement; level measurement; distortion (broken into total distortion, harmonic distortion and harmonic analysis); IMD measurement; SINAD measurement; S/N measurement; ratio measurement; and average management.

    On the left of the display, the top box will contain specific frequency details like hertz range, and the bottom box contains signal strength information.

  4. 4

    Study the manual (available in the Resources section) about each analysis point to learn when it will apply and the ranges it should display for particular connected devices.

  5. 5

    Connect various devices of a similar duty to compare output measurements. This will help you learn which devices are superior to others.

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