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Audio-Technica BP4071 Microphone, 395mm Long

Product Code AUBP4071
Manufacturer Audio-Technica

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With directivity equal to mics up to 50% longer, the BP4071 has been specially created to meet the pickup demands of broadcasting, film/TV sound, professional recording, wildlife recording and theater sound reinforcement. Particularly useful for miking dynamic action in film/TV audio as well as in 'spot' miking techniques in the music studio or theater, the 15.55"-long BP4071 provides a low noise floor and direct-coupled, balanced output for a clean signal even in high-output conditions. Audio-Technica has pioneered an interference tube design in the BP4071 that provides the same directivity as mics up to 50 percent longer.


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

Rugged housing made of lightweight structural-grade aluminum alloy

Transformerless design for improved pickup of transients

Switchable 80 Hz high-pass filter & 10 dB pad

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)

Dynamic Range: 128 dB, 1 kHz at Max SPL

Signal to Noise Ratio: 81 dB, 1 kHz at 1 Pa

Phantom Power Requiremens: 48V DC, 4.8 mA typical

Weight: 136 g (4.8 oz)

Dimensions: 395.0 mm (15.55") long, 21.0 mm (0.83") maximum body diameter

Output Connector: Integral 3-pin XLRM-type

Accessories: AT8405a stand clamp for 5/8"-27 threaded stands; 5/8"-27 to 3/8"-16 threaded adapter; AT8145 windscreen; two O-Rings; protective carrying case

Equipment available to buy from this site is for professional use only. Please note in certain countries some products listed may not be available from A.C. Entertainment Technologies Ltd.

E&OE. Information is subject to change without notice. The rights and ownership of all trademarks are recognised.


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