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Audio-Technica Debuts BP40 Large-Diaphragm Dynamic Broadcast Microphone

A new hypercardioid dynamic mic for radio, overdubs, post-production, podcasting and more

By PSW Staff April 13, 2015

Audio-Technica (booth C1745) is debuting its BP40 Large-Diaphragm Broadcast Microphone at the 2015 NAB Show in Las Vegas, NV. A dynamic vocal microphone for a variety of applications including radio, overdubs, post-production, podcasting and more.

The mic’s hypercardioid polar pattern provides isolation of the desired sound source, and off-axis rejection when working in close production environments. Its capsule placement helps maintain a vocal presence even at a distance, while the multistage windscreen and switchable 100 Hz high-pass filter provide pop protection.

The BP40’s large diaphragm features patented floating-edge construction that maximizes diaphragm surface area and overall diaphragm performance, while the humbucking voice coil prevents electromagnetic interference (EMI) (e.g.,,from video monitors, AC power, etc.). The mic’s design, inspired by the visual representation of a waveform, features all-metal construction for use in professional broadcast environments. The BP40 comes standard with the AT8483 mounting clamp, and for additional protection from noise, shock and vibration, the optional AT8484 shock mount is available separately.

BP40 Specifications:

Element: Dynamic
Polar pattern: Hypercardioid
Frequency response: 50-16,000 Hz
Low frequency roll-off: 100 Hz, 6 dB/octave
Open circuit sensitivity: –48 dB (3.9 mV) re 1V at 1 Pa
Impedance: 450 ohms
Switch: Flat, roll-off
Weight: 632 g (22.3 oz.)
Dimensions: 164.0 mm (6.45”) long, 56.0 mm (2.20”) diameter
Output connector: Integral 3-pin XLRM-type
Accessories furnished: AT8483 mounting clamp for 5/8”-27 threaded stands; 5/8”-27 to 3/8”-16 threaded adapter; soft protective pouch
The BP40 will be available July 2015 with a U.S. estimated street price of $349.00. The optional AT8484 shock mount will also be available July 2015 with a U.S. estimated street price of $99.00.

Audio-Technica

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