Audio-Technica BP40 User Manual

Commanding

VoCal PresenCe

BP40 LARGE-DIAPHRAGM DYNAMIC BROADCAST MICROPHONE

Audio-Technica introduces a dynamic broadcast microphone that delivers rich, natural, condenser-like sound. Featuring a large

diaphragm with patented oating-edge construction for optimal performance, along with a humbucking voice coil, multistage

windscreen and other pro essentials, the durable, all-metal BP40 keeps the audio focused on the broadcaster to maintain a

commanding vocal presence free from electromagnetic interference (EMI) and popping. Take up the BP40— your listeners will

take notice. audio-technica.com

BP40 Large-Diaphragm Dynamic Broadcast Microphone

AT8484 Shock Mount (optional accessory) Optimized capsule placement

• Rich, natural condenser-like sound

• Large diameter diaphragm with patented oating-edge construction for optimal performance

• Humbucking coil prevents electromagnetic interference (EMI)

• Optimized capsule placement for commanding vocal presence even at a distance

• Hypercardioid polar pattern provides maximum feedback rejection and isolation of desired sound source

• Switchable 100 Hz high-pass lter

• Multistage windscreen provides superior internal pop ltering

• Rugged, all-metal construction for dependable use in professional broadcast environments

The BP40 is a large-diaphragm dynamic microphone with a hypercardioid polar pattern. It is designed for use as a broadcast vocal microphone.

The hypercardioid polar pattern of the microphone is more sensitive to sound originating directly in front of the element, making it useful for controlling feedback and reducing pickup of unwanted sounds.

The output of the microphone is a 3-pin XLRM-type connector.

The microphone is equipped with a switch that permits choice of at response or low-frequency roll-off (via integral 100 Hz high-pass lter).

The microphone is enclosed in a rugged housing with a multistage windscreen. The capsule is set back from the screen to provide a more consistent response. The included AT8483 mounting clamp ts any microphone stand with 5/8"-27 threads. For improved protection from noise, shock and vibration, the AT8484 shock mount, available separately, may be used in place of the mounting clamp; it likewise ts stands with 5/8"-27 threads. A soft protective pouch is also included.

Specications

Element

Polar pattern

Frequency response

Low frequency roll-off

Open circuit sensitivity

Impedance

Switch Weight

Dimensions

Output connector

Audio-Technica case style

Accessories furnished

In the interest of standards development, A.T.U.S.

offers full details on its test methods to other industry

1 Pascal = 10 dynes/cm

Specications are subject to change without notice.

Frequency Response: 50–16,000 Hz

100

LEGEND

Polar Pattern

330˚

300˚

professionals on request.

= 10 microbars = 94 dB SPL

500

200

Frequency in Hertz 12" or more on axis Roll-off

0˚

30˚

60˚

Dynamic Hypercardioid 50-16,000 Hz 100 Hz, 6 dB/octave –48 dB (3.9 mV) re 1V at 1 Pa 450 ohms Flat, roll-off 632 g (22.3 oz) without AT8483

164.0 mm (6.45") long,

56.0 mm (2.20") diameter Integral 3-pin XLRM-type R12 AT8483 mounting clamp for 5/8"-27 threaded stands; 5/8"-27 to 3/8"-16 threaded adapter; soft protective pouch

10 dB

Response in dB

10k

20k

@atus.com audio-technica.com

270˚

240˚

180˚

150˚

210˚

SCALE IS 5 DECIBELS PER DIVISION

120˚

90˚

LEGEND

200 Hz

1 kHz 5 kHz 8 kHz