MCM Electronics

Tone Plug Sound System Test GeneratorMCM Part #: 72-6564  |  Distributed By MCM Part #: TP1

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The Tone Plug is a unique multi-function audio test instrument capable of generating a variety of signals for troubleshooting, analysis and calibration of sound systems and components.

Built into a male XLR microphone connector, the Tone Plug requires no batteries. Simply plug into a phantom powered microphone input of a mixer and its ready to go.

Product Description


11 user selectable functions including:

  • Five sine wave test tones at 100Hz, 250Hz, 400Hz, 1KHz, and 10KHz
  • VLF test signal (40/2400Hz) for testing sub-woofers, crossovers, and amplifiers
  • Short duration multi-frequency pulse for adjusting speaker time delays, reverbs and echo units
  • Amplitude sweep function for adjusting compressors, limiters and setting tape levels
  • Automatic frequency stepping mode of the five fixed frequencies
  • Unique sweep tone for tracing wiring in racks and buildings when used with a telephone line tracer
  • Built-in LED indicator for checking microphone cables with phantom power

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    Package Specifications & Dimensions
    Weight:0.12 lbs.
    Hazardous:No
    Warranty:90 days
    Need to Return?
    Length:5.5 in.
    Width:3.75 in.
    Height:1.75 in.
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No
    Catalog Pages
    Catalog/Page:

    MCM Cat 57, Page 1286

    MCM Cat 56, Page 1127

    Mfr. Info

    Distributed By MCM Logo
    Mfr. Name:Distributed By MCM
    Mfr. Part Number:TP1