The Audio-Technica BP28 Line + Gradient Large Diaphragm Condenser Microphone is engineered for exceptional performance in Location Sound Recording. Featuring a large-diaphragm condenser element and optimized circuitry, it delivers incredibly low noise (8 dB) and an exceptionally tight polar pattern, perfect for long-range sound recording. With a length of 35.5 cm, the BP28 is designed to capture precise, high-quality audio in even the most demanding environments.
The Audio-Technica BP28 offers a smooth sonic character with its transformer-coupled output, and it boasts high sensitivity (-28 dBV), a wide dynamic range (135 dB), and high-SPL capability (143 dB). Its flat frequency response ensures accurate sound reproduction, while its lightweight, durable aluminum alloy housing ensures reliable performance in the field. Whether capturing sound on a film set or in the field, the Audio-Technica BP28 offers superior directionality and clarity.
Audio-Technica BP28 features
- Large-diaphragm condenser element and optimized circuitry deliver exceptional low-noise performance – ideal for film/TV production and broadcasting applications
- Overall length of 354.9 mm with a highly directional pickup pattern
- Transformer-coupled output provides smooth sonic character
- Extremely high sensitivity (-28 dBV), wide dynamic range (135 dB), and high-SPL capability (143 dB)
- Flat frequency response for accurate sound reproduction
- Rugged housing made of lightweight, structural-grade aluminum alloy
- Switchable 80 Hz high-pass filter and 10 dB pad
- Patented acoustic port design maintains directionality across the entire frequency range
Audio-Technica BP28 Specifications
| Polar Pattern |
Line directional (Shotgun) |
| Frequency Response |
20-19,000 Hz |
| Low Frequency Roll Off |
80 Hz, 18 dB/octave |
| Open Circuit Sensitivity |
-28 dB(39.8 mV) (0 dB=1 V/Pa, 1 kHz) |
| Maximum Input Sound Level |
143 dB SPL (1 kHz at 1% THD), 153 dB SPL (when pad is on) |
| Noise |
8 dB SPL (A-weighted) |
| Dynamic Range |
135 dB (1 kHz at Max SPL) |
| Signal-to-Noise Ratio |
86 dB (1 kHz at 1 Pa, A-weighted) |
| Phantom Power Requirements |
11 - 52 V DC, 3.4 mA |
| Switches |
Low cut: on/off, Pad: on/off |
| Weight |
223 g |
| Dimensions |
354.9 mm long, 28.0 mm maximum body diameter |
| Output Connector |
Integral 3-pin XLR-M type |
| Accessories Included |
Windscreen (AT8170)
holder (AT8470)
stand adapter (3/8”-5/8”) |
