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).
Key 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
- 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)
Technical Specifications
| Microphones |
| 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 |
| Audio-Technica Case Style |
SG2 |
What's 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
