AT-BP4071 – Overview
With directivity equal to mics up to 50% longer, the Audio-Technica 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.
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Features:
- 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 80Hz high-pass filter & 10dB pad
- RoHS-compliant – free from all substances specified in the EU directive on the reduction of hazardous substances (RoHS)
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Specifications:
- Element: Externally polarized (DC bias) capacitor
- Polar Pattern: Line + gradient
- Frequency Response: 20 – 20,000Hz
- Low Frequency Roll-Off: 80Hz, 18dB/octave
- Open Circuit Sensitivity: -29dB (35.5mV) re 1V @ 1Pa
- Impedance: 50Ω
- Maximum Input Sound Level: 141dB SPL, 1kHz @ 1% T.H.D.; 151dB SPL, with 10dB pad (nominal)
- Noise: 13dB SPL
- Dynamic Range (typical): 128dB, 1kHz @ Max SPL
- Signal-To-Noise Ratio: 81dB, 1kHz @ 1Pa
- Phantom Power Requirements: 48V DC, 4.8mA typical
- Switches: Flat, roll-off; 10dB pad (nominal)
- Weight: 4.8oz
- Dimensions: 15.55″ long, 0.83″ maximum body diameter
- Output Connector: Integral 3-pin XLRM-type
- Audio-Technica Case Style: SG3
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Item Includes:
- 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
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Warranty:
- 5 Year Limited End-User
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GTIN:
4961310104016






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