Audio-Technica MT830a Handleiding

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SUBMINIATURE OMNIDIRECTIONAL CONDENSER MICROPHONE

- Maximum intelligibility and clean, accurate reproduction for lecturers,

singers, stage and TV performers.

- Low-prole design is ideal for applications requiring minimum visibility.

- Includes a clothing clip and accessory windscreens.

- MT830a is switchable for low-frequency roll-off reduces sensitivity to

popping in close vocal use.

- MT830a can be operated on battery or phantom power.

- MT830cW is terminated for use with all Audio-Technica UniPak™

wireless systems.

The MT830a / MT830cW is a subminiature condenser microphone

intended to be worn on the clothing of performers for excellent yet

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

ensures clean, accurate reproduction with high intelligibility for lecturers,

singers, stage and TV performers, as well as musical instruments. Its

small size makes the microphones ideal for use in applications where

minimum visibility is required.

The microphone element is enclosed in a rugged housing with low-

reectance nish. Internal construction is designed to minimize handling

and clothing noise. A 1.4m cable is provided between the microphone

and terminal plug. A clothing clip and accessory windscreens are also

provided.

MT830a

Includes apower module AT8531 that requires 11V to 52V DC phantom

power, or a 1.5V AA battery for operation. A battery need not be in place

for phantom power operation.

An integral 80Hz high-pass filter provides easy switching from a flat

frequency response to a low-end roll-off. The roll-off position reduces

the pickup of low-frequency ambient noise (such as trafc, air-handling

systems, etc.), room reverberation and mechanically coupled vibrations.

Output from the power module’s XLRM-type connector 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. To avoid phase cancellation and poor sound, all

mic cables must be wired consistently: Pin 1-to-Pin 1, etc.

MT830cW

Less power module and includes clothing clip and metal-frame pop lter

only. 1.4 m cable terminated with locking 4-pin connector for Audio-

Technica UniPak™ body-pack wireless transmitters.

Avoid leaving the microphone in the open sun or in areas where

temperatures exceed 40°C for extended periods. Extremely high humidity

should also be avoided.

FORM No. ATGC-L0075-07-E

Machida • Tokyo • Japan

SPECIFICATIONS

ELEMENT Fixed-change back plate permanently

polarized condenser

POLAR PATTERNOmnidirectional

FREQUENCY RESPONSE30-20,000 Hz

OPEN CIRCUIT SENSITIVITY-34 dB (19.9 mV) re 1V at 1 Pa (MT830a)

IMPEDANCE200 ohms (MT830a)

MAXIMUM INPUT SOUND LEVEL131 dB SPL, 1 kHz at 1% T.H.D. (MT830a)

LOW FREQUENCY ROLL-OFF80 Hz, 12 dB/octave (MT830a)

PHANTOM POWER REQUIREMENTS11-52V DC, 2 mA typical (MT830a)

BATTERY TYPE1.5V AA (MT830a)

BATTERY CURRENT / LIFE2.0 mA / 1200 hours (MT830a)

SWITCHES (MT830a)Flat, roll-off

WEIGHT (less cable and accessories)

MICROPHONE

POWER MODULE (AT8531)

1.3 g

81.2 g

DIMENSIONS

MICROPHONE

POWER MODULE (AT8531)

15.8 mm - L,

8.5 mm - W, 5.0 mm - thick

83.0 mm - H x 63.0 mm - W x

22.0 mm - D

OUTPUT CONNECTOR

MT830a (AT8531)

MT830cW

Integral 3-pin XLRM-type

locking 4-pin connector for UniPak™

CABLE1.4 m long (permanently attached to micro-

phone), 2.5 mm diameter

ACCESSORIES FURNISHEDClothing clip;

Windscreens;

protective pouch.

AT8531 power module (MT830a)

10 dB

20k10k5k2k1k50020010050

8 kHz

200 Hz

1 kHz

5 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

Polar Pattern

Frequency Response

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

Frequency in Hertz

LEGEND 12” or more on axis

Response in dB

Roll-off (MT830a)

same as 1 kHz

Product specificaties