Audio-Technica BP893, BP893-TH User Manual

BP893 & BP893-TH

MicroEarset Omnidirectional Condenser Headworn Microphones

with the wireless models. The wireless models’ dimensions, polar pattern and included accessories are otherwise identical to those of the BP893.

The BP893cW is also available unterminated as the BP893c.

Cable Terminations BP893cW, BP893cW-TH – Terminated with locking 4-pin connector for use

with A-T UniPak® body-pack transmitters BP893cL4, BP893cL4-TH – Terminated for Sennheiser® wireless systems using Lemo® connector BP893cLM3, BP893cLM3-TH – Terminated for Sennheiser® wireless systems using locking 3.5 mm connector BP893cT4, BP893cT4-TH – Terminated for Shure® wireless systems using TA4F-type connector BP893cT5, BP893cT5-TH – Terminated for Lectrosonics® wireless systems using TA5F-type connector BP893c, BP893c-TH – Unterminated

Features

• Outstanding clarity and intelligibility

• Lightweight, ergonomic design

• Extremely unobtrusive, 1-inch exible boom

• Secure over-the-ear placement

• Extended frequency response for natural vocal reproduction

• Locking 4-pin microphone output connector compatible with included power module and all Audio-Technica UniPak wireless transmitters

• UniSteep

lter provides a steep low-frequency attenuation to

body-pack

improve sound pickup without affecting voice quality

• Offered in black and beige (-TH) models

• Also available in wireless models (without power module) terminated for use with all Audio-Technica UniPak

wireless

systems and many other manufacturers' wireless systems

BP893 Description

The BP893 is a headworn condenser microphone with an omnidirectional polar pattern. It is designed to provide clear, natural vocal pickup in theatrical performances, houses of worship and broadcast studios.

The microphone requires 11V to 52V phantom power for operation.

The microphone includes a 1.4 m (55") permanently attached miniature cable. Its free end connects to the provided AT8539 power module via a locking 4-pin connector. The connector is also compatible with all Audio-Technica

UniPak

body-pack transmitters. The output of the power module is a 3-pin

XLRM-type connector.

The BP893 MicroEarset is positioned unobtrusively over the ear. Its omnidirectional miniature condenser capsule offers outstanding pickup tailored for natural vocal reproduction, with audio reproduction similar to that of a high-quality lavalier microphone. The microphone is also ideal for use in violin pickup; wear the BP893 over the ear as usual, with no need for clamps on the violin.

A recessed switch in the power module permits choice of at response or low-frequency roll-off (via integral 80 Hz high-pass UniSteep

lter) to help

control undesired ambient noise.

The microphone comes equipped with a power module, a cable clip, two windscreens, two element covers, a moisture guard, a belt clip and a protective carrying case. The microphone is available in black and beige.

Wireless Description

The microphone is also available in a variety of wireless models, including the BP893cW. The BP893cW includes a 1.4 m (55") permanently attached miniature cable terminated with a locking 4-pin connector for use with Audio-Technica UniPak

body-pack transmitters. Models are also available in a variety of terminations for use with many other manufacturers’ wireless systems (see below). No power module or belt clip is included (or required)

Model numbers ending in ”TH“ are beige. Audio-Technica mentioned herein may be trademarks and/or service marks of their respective owners.

Operation and Maintenance

The BP893 requires 11V to 52V phantom power for operation.

Output is low impedance (Lo-Z) balanced. The signal appears across Pins 2 and 3; Pin 1 is ground (shield). Output phase is “Pin 2 hot”— positive acoustic pressure produces positive voltage at Pin 2.

An integral 80 Hz high-pass UniSteep a at frequency response to a low-end roll-off. The roll-off position reduces the microphone’s sensitivity to popping in close vocal use. It also reduces the pickup of low-frequency ambient noise (such as trafc, air-handling systems, etc.), room reverberation and mechanically coupled vibrations. To engage the UniSteep pointed instrument to slide the switch toward the “bent” line.

The BP893 can be worn on either the left or right ear. Position the ear loop around the back of your ear, so that the boom extends from the top of your ear, and adjust the boom as needed to follow the contour of your face.

A cable clip is provided for strain relief, allowing the microphone to remain securely in place without the weight of the cable pulling on the headset. To install the cable clip, slip the cable into the snap-on connector and attach the clip to clothing, leaving enough slack on the MicroEarset side of the clip to allow for free, comfortable motion.

The donut-shaped moisture guard is provided to protect the element from sweat and moisture. Position the moisture guard as close to the element as possible to provide maximum protection. To remove the moisture guard, rst remove the element cover and place it out of harm’s way. Gently slide the moisture guard over the element. Replace the element cover.

Avoid leaving the microphone in the open sun or in areas where temperatures exceed 110° F (43° C) for extended periods. Extremely high humidity should also be avoided.

Architect’s and Engineer’s Specications

The microphone shall be a xed-charge condenser designed for headworn use. It shall have an omnidirectional polar pattern and a frequency response of 20 Hz to 20,000 Hz. The microphone shall operate from an external 11V to 52V DC phantom power source. It shall be capable of handling sound input levels up to 114 dB with a dynamic range of 88 dB. Nominal opencircuit output voltage shall be 19.9 mV at 1V, 1 Pascal. Output shall be low impedance balanced (245 ohms).

The microphone shall have a 1.4 m (55") permanently attached miniature cable terminating in a locking 4-pin output connector. The output connector shall connect to a jack on the included power module. The output connector shall also connect to any Audio-Technica UniPak transmitter. The power module shall contain a recessed switch to permit choice of at response or 80 Hz low-frequency roll-off. The output of the power module shall be a 3-pin XLRM-type connector.

is a registered trademark of Audio-Technica. Other product and company names

broadcast & production microphones

lter provides easy switching from

lter, use the end tip of a paperclip or other small

body-pack wireless

BP893 & BP893-TH

12" or more on axis

LEGEND

Frequency in Hertz

Response in dB

10 dB

100

200

10k

500

20k

Roll-off

The microphone shall be an over-the-ear headworn design with a diameter of 2.6 mm (0.10"). Microphone, boom and earpiece weight shall be 2.0 grams (0.07 oz). The microphone shall include a power module, a cable clip, two windscreens, two element covers, a moisture guard, a belt clip and a carrying case. Finish shall be low-reectance black [beige].

Wireless models of the microphone shall also be available, terminated for use with Audio-Technica UniPak

body-pack transmitters and a variety of other manufacturers’ wireless systems. The wireless models’ dimensions, polar pattern and included accessories (excluding power module and belt clip) shall be identical to those of the wired model. The microphone shall also be available unterminated.

The Audio-Technica BP893 [BP893-TH] is specied.

The Audio-Technica BP893cW [BP893cW-TH]; BP893cL4 [BP893cL4-TH]; BP893cLM3 [BP893cLM3-TH]; BP893cT4 [BP893cT4-TH]; BP893cT5 [BP893cT5-TH] (wireless version) is specied.

The Audio-Technica BP893c [BP893c-TH] (unterminated) is specied.

BP893, cW, cW-TH

Function Wire Color

Pin 1 Ground/Shield Green

Pin 2 Instrument Jumper to Pin 1

Pin 3 Mic Audio Copper Color

Pin 4 Bias + In Red

cT4, cT4-TH cT5, cT5-TH

Function Wire Color

Pin 1 Ground/Shield Green

Pin 2 Bias + In Red

Pin 3 Mic Audio Copper Color

Pin 4 Source Load Jumper to Pin 3

Function Wire Color

Pin 1 Ground/Shield Green

Pin 2 Bias + In Red

Pin 3 Mic Audio Copper Color

Pin 4 Source Load Jumper to Pin 1

Pin 5 Line In Open

Specications

Polar pattern

Frequency response

Low frequency roll-off

Open circuit sensitivity

Impedance

Maximum input sound level

Dynamic range (typical)

Signal-to-noise ratio

Phantom power requirements

Current consumption

Voltage range

Dimensions

Output connector (power module)

Audio-Technica case style

Accessories furnished

Element

Switch Weight

Cable

Fixed-charge back plate, permanently polarized condenser Omnidirectional 20-20,000 Hz 80 Hz, 18 dB/octave (wired only) –34 dB (19.9 mV) re 1V at 1 Pa 245 ohms (wired only) 114 dB SPL, 1 kHz at 3% T.H.D. 88 dB, 1 kHz at Max SPL (wired only)

68 dB, 1 kHz at 1 Pa 11-52V DC, 2 mA typical (wired only)

0.1 mA typical at 5V (wireless only)

2.5-11V (wireless only) Flat, roll-off (wired only) Microphone, boom & earpiece:

2.0 g (0.07 oz) Power module (wired only): 85 g (3.0 oz) Microphone: 8.1 mm (0.32") long,

2.6 mm (0.10") diameter Boom: 26.4 mm (1.04") long,

1.07 mm (0.04") diameter Power module (wired only): 97.6 mm (3.84") long, 18.9 mm (0.74") diameter Integral 3-pin XLRM-type

1.4 m (55") long (permanently attached to microphone), 1.6 mm (0.06") diameter, 2-conductor shielded cable with locking 4-pin connector (wired and cW versions) M31 AT8539 power module (wired only); AT8440 cable clip; two AT8157 windscreens; two AT8156 element covers; moisture guard; belt clip (wired only); carrying case

cLM3, cLM3-TH

Function Wire Color

Sleeve Ground/Shield Green

Ring Mic Audio Copper Color

Tip Bias + In Red

cL4, cL4-TH

Function Wire Color

Pin 1 N/C Open

Pin 2 N/C Open

Pin 3 Bias + In, Red Mic Audio

Shell/Case Ground/Shield Green

In the inter est of standards devel opment, A.T.U.S.

offers full details on its test me thods to other industr y

1 Pascal = 1 0 dynes/cm

Typical, A-weighted, using Audio Precision System One.

professional s on request.

= 10 microb ars = 94 dB SPL

Specication s are subject to chang e without notice.

frequency response: 20–20,000 Hz polar pattern

10 dB

200

100

12" or more on axis Roll-off

500

Frequency in Hertz

10k

LEGEND

Response in dB

20k

270˚

240˚

0˚

30˚

330˚

300˚

210˚

SCALE IS 5 DECIBELS PER DIVISION

150˚

180˚

60˚

90˚

120˚

LEGEND

200 Hz

1 kHz 5 kHz 8 kHz