Audio-Technica AT8031 Handleiding

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CARDIOID CONDENSER MICROPHONE

- All-purpose condenser microphone ideal for interviews, voice-overs,

air studio and general audio acquisition

- Cardioid polar pattern reduces pickup of sounds from the sides and

rear, improving isolation of desired sound source

- Switchable 80 Hz high-pass lter minimizes pickup of undesired

low-frequency sounds

- Large protective screen reduces “popping” and sibilant distortion

- Operates on battery or phantom power

The AT8031 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.

Battery installation: Unscrew the lower section of the microphone

body, just below the nameplate. Insert a fresh 1.5V AA battery in the

handle compartment (“+” end up), then reassemble the microphone.

Alkaline batteries are recommended for longest life. Remove the bat-

tery during long-term storage.

Output from the microphone’s XLRM-type connector is low imped-

ance (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.

An integral 80 Hz high-pass lter provides easy switching from a at

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-han-

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

vibrations.

The high sensitivity of the AT8031 assures useful output and an

excellent match to most input sources. In some cases, however, an

attenuator such as the Audio-Technica AT8202 may be required be-

tween the microphone and preamplier to avoid overloading sensitive

input stages.

The microphone is RoHS compliant–free from all substances speci-

ed in the EU directive on hazardous substances.

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

peratures exceed 43°C for extended periods. Extremely high humid-

ity should also be avoided.

FORM No. ATGC-L0118-07-E

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

same as 1 kHz

Machida • Tokyo • Japan

SPECIFICATIONS

ELEMENT Fixed-charge back plate

permanently polarized condenser

POLAR PATTERNCardioid

FREQUENCY RESPONSE30-20,000 Hz

LOW FREQUENCY ROLL-OFF80 Hz, 12 dB/octave

OPEN CIRCUIT SENSITIVITY

(Phantom / Battery)

-44 dB (6.3 mV) re 1V at 1 Pa

-45 dB (5.6 mV) re 1V at 1 Pa

IMPEDANCE (Phantom / Battery)250 ohms / 300 ohms

MAXIMUM INPUT SOUND LEVEL

(Phantom / Battery)

137 dB / 123 dB SPL,

1 kHz at 1% T.H.D.

DYNAMIC RANGE (typical)

(Phantom / Battery)

113 dB / 99 dB,

1 kHz at Max SPL

SIGNAL-TO-NOISE RATIO70 dB, 1 kHz at 1 Pa

PHANTOM POWER REQUIRMENTS11 - 52V DC, 2 mA typical

BATTERY TYPE1.5V AA/UM3

BATTERY CURRENT / LIFE0.4 mA / 1200 hrs typical (alkaline)

SWITCHES Flat, roll-off

WEIGHT (less cable and accessories)205 g

DIMENSIONS 193.0 mm long,

50.3 mm head diameter

OUTPUT CONNECTORIntegral 3-pin XLRM-type

ACCESSORIES FURNISHEDAT8405a stand clamp for ⅝"-27

threaded stands;

AT8114 windscreen;

⅝"-27 to ⅜"-16 threaded adapter;

battery;

soft protective pouch

Roll-off

Product specificaties