Aco Pacific model 521 specifications

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ACO Pacific Model 521

Description

The ACO Pacific Model 521 is a Sound Level Calibrator.

  • Frequency: 1000 Hz +/- 1%.
  • Total harmonic distortion (THD): less than 2%

accessories

  • Aco Pacific model 7012 Free Field microphone
  • Aco Pacific model 7013 Pressure Field microphone
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