DPA 4018 A

Specifications 4018A SUPERCARDIOID MICROPHONE Directional patternSupercardioid Principle of operationPressure gradient Cartridge typePre-polarized condenser Frequency range20 Hz - 20 kHz Frequency range, ±2 dB, at 30 cm (11.8 in)40 Hz - 18 kHz Sensitivity, nominal, ±2 dB at 1 kHz12 mV/Pa; -38.4 dB re. 1 V/Pa Equivalent noise level, A-weightedTyp. 16 dB(A) re. 20 µPa (max. 19 dB(A)) Equivalent noise level, ITU-R BS.468-4Typ. 23 dB (correct with the attenuator in 0 dB or -20 dB setting) S/N ratio (A-weighted), re. 1 kHz at 1 Pa (94 dB SPL)Typ. 78 dB(A) Total harmonic distortion (THD)< 1% up to 137 dB SPL peak Dynamic rangeTyp. 121 dB Max. SPL, peak before clipping156 dB