Instruction d'utilisation Audio-Technica BP4073

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BP4073
broadcast & production microphones
Line + Gradient Condenser Microphone
An integral 80 Hz high-pass filter provides easy switching from a flat
frequency response to a low-end roll-off. The roll-off position reduces
the pickup of low-frequency ambient noise (such as traffic, air-handling
systems, etc.), room reverberation and mechanically coupled vibrations.
To engage the high-pass filter, use the end tip of a paperclip or other
small pointed instrument to slide the switch toward the

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429 BP4073 Specifications Element Externally polarized (DC bias) condenser Polar pattern Line + gradient Frequency response 20-20,000 Hz Low frequency roll-off 80 Hz, 12 dB/octave Open circuit sensitivity –29 dB (35.5 mV) re 1V at 1 Pa Impedance 50 ohms Maximum input sound level 141 dB SPL, 1 kHz at 1% T.H.D.; 151 dB SPL, with 10 dB pad (nominal) 1 Noise 13 dB SPL Dynamic range (typical) 128 dB, 1 kHz at Max SPL 1 Signal-to-noise ratio 81 dB, 1 kHz at 1 Pa Phantom power requirements 48V DC, 4.