Line + Gradient Condenser Microphone With an overall length of just 9.17” and weight of just 3.5 oz, this microphone adds virtually no heft to the end of a fish pole or the top of a minicam. Through the use of an innovative Audio-Technica design, the interference tube of the BP4073 provides a narrow acceptance angle, effective for long-distance pickup. The highly directional mics offer low self-noise and are fully RoHS-compliant – free from all substances specified in the EU directive on the reduction of hazardous substances (RoHS). Designed for use in broadcasting, film/TV production and theater sound reinforcement applications Direct-coupled, balanced output ensures a clean signal even in high-output conditions Innovative acoustic design provides same directivity as mics up to 50% longer Switchable 80 Hz hi-pass filter & 10 dB pad Rugged housing made of lightweight structural-grade aluminum alloy RoHS-compliant – free from all substances specified in the EU directive on the reduction of hazardous substances (RoHS) ELEMENT Externally polarized (DC bias) capacitor 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) NOISE 13 dB SPL DYNAMIC RANGE (typical) 128 dB, 1 kHz at Max SPL SIGNAL-TO-NOISE RATIO 81 dB, 1 kHz at 1 Pa PHANTOM POWER REQUIREMENTS 48V DC, 4.8 mA typical SWITCHES Flat, roll-off; 10 dB pad (nominal) WEIGHT 99 g (3.5 oz) DIMENSIONS 233.0 mm (9.17") long, 21.0 mm (0.83") maximum body diameter OUTPUT CONNECTOR Integral 3-pin XLRM-type ACCESSORIES FURNISHED AT8405a stand clamp for 5/8"-27 threaded stands; 5/8"-27 to 3/8"-16 threaded adapter; AT8144 windscreen; two O-Rings; protective carrying case AUDIO-TECHNICA CASE STYLE SG2
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