Audio-Technica BP899 Manual

Audio-Technica Mikrofon BP899

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BP899 Subminiature Omnidirectional

Condenser Lavalier Microphone

Broadcast & Production

Features

• Maximum intelligibility and clean, accurate reproduction for vocalists,

lecturers, stage and television talent, and worship leaders

• Low-proﬁle design (a mere 5.3 mm in diameter) is ideal for applications

requiring minimum visibility

• Urethane elastomer cable with a double-spiral shield wire provides ultimate

ﬂexibility, strength, and resistance to abrasion and moisture

• Open-diaphragm design with protective mesh that repels sweat and other

moisture for maximum frequency response and lasting performance

• Included resonance caps can be applied to microphone to improve

intelligibility

• Low-sensitivity models available for theater use or other high-SPL

applications

• RoHS compliant – free from all substances speciﬁed in the EU directive on

hazardous substances

• The microphone capsule is housed in a rugged metal structure to shield the

electronic circuitry from external electromagnetic noise

• The signal line of the cable is made of a high-durability CuSn (copper and tin)

alloy that greatly enhances corrosion resistance and increases longevity

• Two included windscreens each feature a clasp that secures the windscreen

to the mic, preventing it from blowing o in critical situations, such as at

sporting events

• Clothing clip includes 16 distinct angle adjustments over 360° and two strain-

relief clips for easy cable routing

• Models oered in black and beige (-TH)

• Also available in wireless models (without power module) terminated for

use with Audio-Technica wireless systems and many other manufacturers’

wireless systems

Wired Description

The BP899 is a subminiature clip-on/lavalier condenser microphone with an

omnidirectional polar pattern. It is designed to provide accurate reproduction for

lecturers, stage and television talent, and houses of worship.

The microphone is intended to be worn on clothing or hidden in props for excellent

yet unobtrusive sound pickup. The wide-range capability of the microphone ensures

clean, accurate reproduction with high intelligibility for speakers, presenters and

other performers. Its small size makes it ideal for use in applications where minimum

visibility is required.

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

The microphone includes a permanently attached 1.4 m (55") long, 2.0 mm (0.08")

diameter, 2-conductor shielded cable. Its free end connects to the provided AT8545

power module via a cH connector. The output of the power module is a 3-pin

XLRM-type connector.

A recessed switch in the power module permits choice of ﬂat response or low-

frequency roll-o (via integral 80 Hz high-pass ﬁlter) to help control undesired

ambient noise.

The microphone comes equipped with a power module, one clothing clip, two

windscreens, two resonance covers. A protective carrying case is also included. All

BP899 models are available with a low-reﬂectance black ﬁnish; models are available

in beige.

Operation and Maintenance

The BP899 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 ﬁlter provides easy switching from a ﬂat frequency

response to a low-end roll-o. The roll-o position reduces the microphone’s sensitivity

to popping in close vocal use. It also reduces the pickup of low-frequency ambient

noise (such as trac, air-handling systems, etc.), room reverberation and mechanically

coupled vibrations. To engage the high-pass ﬁlter, use the end tip of a paperclip or

other small pointed instrument to slide the switch toward the “bent” line.

For use as a lavalier, attach the microphone about six inches below the chin.

Anticipate movements that may cause the microphone to rub against or be covered

by clothing, and position the microphone to avoid it.

When using the microphone in extremely close situations, slip the included open-

pore foam windscreen over the mic to reduce wind noise or popping. Use the

included resonance cap to protect the microphone element from contaminants. An

included resonance cap can be applied to the microphone to provide even greater

intelligibility, and it is designed to direct sweat and other moisture away from the

microphone.

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.

Wireless Models Description

The microphone is also available in a variety of wireless models, including the

BP899cH. The BP899cH includes a 1.4 m (55") permanently attached miniature cable

terminated with a screw-down 4-pin connector for use with Audio-Technica cH-style

body-pack transmitters. Models are also available in a variety of terminations for use

with many other manufacturers’ wireless systems. No power module is included (or

required) with the wireless models. The wireless models’ dimensions, polar pattern

and included accessories are otherwise identical to those of the BP899.

Also available unterminated as the BP899c.

Cable Terminations

BP899 55" (1.4 m) permanently attached cable terminated with

a cH-style screw-down 4-pin connector; AT8545 power

module (with 80 Hz high-pass ﬁlter) for phantom power

Produkt Specifikationer

Mærke:	Audio-Technica
Kategori:	Mikrofon
Model:	BP899
Type:	Scene/optræden mikrofon
Produktfarve:	Sort
Forbindelsesteknologi:	Ledningsført
Enhedsgrænseflade:	mini XLR (3-pin)
Bæretaske:	Ja
Bæredygtighedscertifikater:	RoHS
Mikrofonindgangsimpedans:	50 ohm (Ω)
Mikrofon frekvens:	20 - 20000 Hz
Mikrofon sensitivitet:	-29 dB
Mikrofon vægt:	136 g
Overholdelse af bæredygtighed:	Ja
Antal produkter inkluderet:	1 stk
Mikrofon dimensioner (DxH):	21 x 395 mm
Mikrofon, signal-til-støjforhold:	81 dB
Mikrofon dynamikområde:	128 dB
Lavskåret filter:	80 Hz