Audio-Technica AT831R Headphones User Manual


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AT831R
Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
©2010 Audio-Technica U.S., Inc. audio-technica.com 0001-0182-01
Specications
LEGEND
200 Hz
1 kHz
5 kHz
8 kHz
SCALE IS 5 DECIBELS PER DIVISION
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
12" or more on axis
LEGEND
Frequency in Hertz
Response in dB
10 dB
100
50
200
10k
5k
1k
500
2k
20k
Roll-off
frequency response: 40–16,000 Hz
polar pattern
Fixed-charge back plate, permanently
polarized condenser
Cardioid
40-16,000 Hz
80 Hz, 18 dB/octave
–42 dB (7.9 mV) re 1V at 1 Pa
250 ohms
141 dB SPL, 1 kHz at 1% T.H.D.
112 dB, 1 kHz at Max SPL
65 dB, 1 kHz at 1 Pa
11-52V DC, 2 mA typical
Flat, roll-off
Microphone: 2.8 g (0.1 oz)
Power module: 81 g (2.9 oz)
Microphone: 25.0 mm (0.98") long,
10.2 mm (0.40") diameter
Power module: 92.9 mm (3.66") long,
18.9 mm (0.74") diameter
Power module: Integral 3-pin XLRM-type
4.0 m (13.1') long (permanently attached
to microphone), 3.2 mm (0.13") diameter,
2-conductor, shielded cable with TA3F-
type connector
M1
AT8538 power module; AT8419 clothing
clip; AT8444 instrument adapter; AT8116
windscreen; protective carrying case
Element
Polar pattern
Frequency response
Low frequency roll-off
Open circuit sensitivity
Impedance
Maximum input sound level
Dynamic range (typical)
Signal-to-noise ratio
1
Phantom power requirements
Switch
Weight
Dimensions
Output connector
Cable
Audio-Technica case style
Accessories furnished
In the interest of standards development, A.T.U.S.
offers full details on its test methods to other industry
professionals on request.
1 Pascal = 10 dynes/cm
2
= 10 microbars = 94 dB SPL
1
Typical, A-weighted, using Audio Precision System One.
Specications are subject to change without notice.
Output shall be low impedance balanced (250 ohms).
The microphone shall have a 4 m (13.1') permanently attached miniature
cable terminating in a TA3F-type output connector. The output connector
shall connect to a TB3M-type jack on the included power module. 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.
The microphone shall be 25.0 mm (0.98") long and have a diameter of
10.2 mm (0.40"). Weight shall be 2.8 grams (0.1 oz). The microphone
shall include a power module, a clothing clip, an instrument adapter,
a windscreen and a protective carrying case. Finish shall be low-
reectance black.
The microphone shall also be available with a 1.4 m (55") permanently
attached miniature cable terminated for use with Audio-Technica UniPak
®
body-pack transmitters and a variety of other manufacturers’ wireless
systems. No power module shall be required or included with the
wireless models. The wireless models’ dimensions and polar pattern shall
be identical to those of the wired model. The microphone shall also be
available unterminated.
The Audio-Technica AT831R is specied.
The Audio-Technica [AT831cW]; [AT831cT]; [AT831cT5]; [AT831HRS-6]
(wireless version) is specied.
The Audio-Technica AT831c (unterminated) is specied.
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