Instruction/ maintenance manual of the product AT4055 Audio Technica
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HANDHELD C AR D I O ID CA P ACI TO R M I CR O P HO N E A T 4055 40 SERIES PRECISION MICROPHONES Description The A T4055 is a large-diaphragm, pressure-gradient capacitor microphone with a unif or m cardioid polar pattern. The frequency response is smooth ov er an extended 20-20,000 Hz r ange.
A T 4055 Specifications † ELEMENT Externally polar ized (DC bias) capacitor POLAR P A TTERN Cardioid (Unidirectional) FREQUENCY RESPONSE 20-20,000 Hz OPEN CIRCUIT SENSITIVITY (1 kHz) – 46 d B (5.0 mV) ± 2 dB, re 1V at 1 P a* 1 IMPED ANCE 200 ohms MAXIMUM INPUT SOUND LEVEL 1 47 dB SPL, 1 kHz at 1 % T .
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If you already are a holder of Audio Technica AT4055, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Audio Technica AT4055.
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