Audio-Technica AT803 Bruksanvisning
Sidor 2 Engels mikrofon
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MINIATURE OMNIDIRECTIONAL CONDENSER MICROPHONE
- High intelligibility for lecturers and stage/TV performers
- Provides excellent yet unobtrusive sound pickup
- UniSteep® lter provides a steep low-frequency attenuation to
improve sound pickup without affecting voice quality
- Operates on battery or phantom power
The AT803 is designed to be worn as a lavalier or hidden in
loose clothing. For use as a lavalier, attach the microphone about
150mm 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.
The AT803 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: Remove the cap from the top of the power
module. Insert a fresh 1.5V AA battery (“+” end toward the cap
release button), then reassemble the power module. Alkaline
batteries are recommended for longest life. Remove the battery
during long-term storage.
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.
An integral 80 Hz high-pass UniSteep®filter provides easy
switching from 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 trafc, air-handling systems, etc.), room
reverberation and mechanically coupled vibrations.
The microphone is RoHS compliant–free from all substances
specied in the EU directive on hazardous substances.
Avoid leaving the microphone in the open sun or in areas where
temperatures exceed 43°C for extended periods. Extremely high
humidity should also be avoided.
FORM No. ATGC-L0121-07-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 PATTERNOmnidirectional
FREQUENCY RESPONSE30-20,000 Hz
LOW FREQUENCY ROLL-OFF80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY
(Phantom / Battery)
-44 dB (6.3 mV) re 1V at 1 Pa
-46 dB (5.0 mV) re 1V at 1 Pa
IMPEDANCE (Phantom / Battery)200 ohms / 270 ohms
MAXIMUM INPUT SOUND LEVEL
(Phantom / Battery)
135 dB / 121 dB SPL,
1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)
(Phantom / Battery)
107 dB / 93 dB,
1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO66 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 Off, on-at, on-roll-off
WEIGHTMICROPHONE
POWER MODULE
2.8 g
139 g
DIMENSIONS MICROPHONE
POWER MODULE
25.0 mm long, 10.2 mm diameter
84.0 mm H x 63.0 mm W x 22.0 mm D
OUTPUT CONNECTORIntegral 3-pin XLRM-type
CABLE 1.8 m long (permanently attached to
microphone), 2.6 mm diameter,
2-conductor, shielded cable with
TA3F-type connector
ACCESSORIES FURNISHEDAT8531 power module;
AT8417 clothing clip;
AT8116 windscreen;
battery;
protective carrying case
Roll-off
Produktspecifikationer
| Varumärke: | Audio-Technica |
| Kategori: | mikrofon |
| Modell: | AT803 |
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