Apex Compact Test Tone Oscillator - Long & McQuade Music Educator Site
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Apex Compact Test Tone Oscillator

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SKU: # 187541
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The AAO1 is an extremely handy test tone audio oscillator, and a must for everyone\'s audio toolkit. A sweepable -10dB Pad, separate square wave and sine wave outputs with level controls make it easy to create a signal to test the input of any audio device. - 12V AC adaptor Included


  • Effective for testing audio circuits and speaker systems

  • Provides a steady-state sine wave and/or square wave at the frequency of your choice

  • Suitable for testing and measuring all types of audio circuits or checking the calibration of crossovers

  • Tunable from 20 Hz to 20 kHz and variable in gain over a wide range thanks to independent sine and square wave level controls

  • Overall -10dB output pad

  • Allows connection of an external source of DC control voltage (computer or keyboard instrument) to vary the AA01\'s oscillator frequency

  • All Metal Case

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