The Audio-Technica BP4073 Compact Shotgun Microphone is a nine-inch line plus gradient microphone.
The Audio-Technica BP4073 Compact Shotgun Microphone is a professional line plus gradient microphone designed for broadcasting, film and television production, and theater sound reinforcement. This compact unit provides focused, long-distance audio pickup while maintaining a lightweight profile for versatile mounting options.
The BP4073 utilizes an innovative interference tube design that provides a narrow acceptance angle, delivering the same directivity as microphones up to 50% longer. This design allows for effective sound capture from significant distances. The direct-coupled, balanced output ensures a clean signal path and maintains audio integrity even during high-output conditions. Additionally, the microphone features low self-noise to ensure high-quality recordings.
This microphone includes switchable onboard controls to adapt to different recording environments. An 80 Hz high-pass filter allows users to attenuate low-frequency noise. A switchable 10 dB pad provides extra headroom when capturing high-pressure sound sources, preventing signal distortion.
Built for the demands of field production, the BP4073 features a rugged housing made of lightweight, structural-grade aluminum alloy. With an overall length of 9.17 inches and a weight of just 3.5 ounces, the microphone adds virtually no heft to the end of a fish pole or the top of a camera.
The BP4073 is fully RoHS-compliant. It is manufactured without any of the hazardous substances specified in the EU directive regarding the reduction of hazardous substances.
| Element | Externally polarized (DC bias) capacitor |
| Polar Pattern | Line + gradient |
| Frequency Response | 20-20,000 Hz |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave |
| Open Circuit Sensitivity | -29 dB (35.5 mV) re 1V at 1 Pa |
| 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 | 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 Included | 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 |
| Length | 19.5 In. |
|---|---|
| Width | 4.5 In. |
| Height | 2.4 In. |
| Weight | 1.65 lbs |
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