Description: A battery powered calibrator with 114dB (101.3kPa) output at 1kHz ±5%, and harmonic distortion less than 0·5%. Complies with IEC 942.
It is intended for use with industry standard "half-inch" microphones, and may also be used to calibrate smaller microphones by means of suitable couplers. A CEL-4725 Coupler for 1/4" microphones is supplied with the calibrator.
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