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Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
©2009 Audio-Technica U.S., Inc. audio-technica.com 0001-0259-00
AT4050ST
Specications
mid frequency response:
20–18,000 Hz
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
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
LEGEND
1 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
LEGEND
1 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
90º
polar pattern
127º
polar pattern
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
side
polar pattern
mid
polar pattern
Externally-polarized (DC bias) condenser
Cardioid, Figure-of-eight
20-18,000 Hz
80 Hz, 12 dB/octave
Stereo, 90º: –42 dB (7.9 mV), re 1V at 1 Pa
Stereo, 127º: –41 dB (8.9 mV), re 1V at 1 Pa
Mid: –36 dB (15.8 mV), re 1V at 1 Pa
Side: –36 dB (15.8 mV), re 1V at 1 Pa
50 ohms
149 dB SPL, 1 kHz at 1% T.H.D.;
159 dB SPL, with 10 dB pad (nominal)
Stereo, 90º: 25 dB SPL; Stereo, 127º: 16 dB SPL;
Mid: 15 dB SPL; Side: 17 dB SPL
Mid: 134 dB, 1 kHz at Max SPL
Side: 132 dB, 1 kHz at Max SPL
Stereo, 90º: 69 dB, 1 kHz at 1 Pa
Stereo, 127º: 78 dB, 1 kHz at 1 Pa
Mid: 79 dB, 1 kHz at 1 Pa
Side: 77 dB, 1 kHz at 1 Pa
48V DC, 6.4 mA typical – both channels total
90º, 127º, M-S; Flat, roll-off;
10 dB pad (nominal)
517 g (18.2 oz)
193.0 mm (7.60") long,
53.4 mm (2.10") maximum body diameter
Integral 5-pin XLRM-type
5.0 m (16.5') long, 8-conductor, shielded,
vinyl-jacketed stereo cable with 5-pin
XLRF-type connector at microphone end
and two 3-pin XLRM-type connectors at
output end
R1
AT8449 shock mount for
5
/
8
"-27 threaded
stands;
5
/
8
"-27 to
3
/
8
"-16 threaded adapter;
microphone dust cover; protective carrying
case
Elements
Polar patterns
Frequency response
Low frequency roll-off
Open circuit sensitivity
Impedance
Maximum input sound level
(Mid and Side)
Noise
1
Dynamic range (typical)
Signal-to-noise ratio
1
Phantom power requirements
Switches
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.
Specications are subject to change without notice.
The output of the microphone shall be a 5-pin XLRM-type connector. A
5.0 m (16.5') cable with a 5-pin XLRF-type to two standard 3-pin XLRM-
type connectors shall be included.
The microphone shall be equipped with a switchable 10 dB pad and
a switch that permits choice of at response or 80 Hz low-frequency
roll-off. It shall also include switch selection of non-matrixed M-S mode
and two internally matrixed left-right stereo modes. The M-S mode shall
provide independent Mid and Side signals. The two internally matrixed
modes shall provide traditional “left-right” stereo with the choice of wide
(127°) and narrow (90°) pickup patterns.
The microphone shall be 193.0 mm (7.60") long and have a diameter of
53.4 mm (2.10"). Weight shall be 517 g (18.2 oz). The microphone shall
include a shock mount, a dust cover, and a protective carrying case.
The Audio-Technica AT4050ST is specied.