BP4029
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
0001-0191-01
Specifications
Fixed-charge back plate, permanently
polarized condenser
Line-cardioid, Figure-of-eight
40-20,000 Hz
80 Hz, 18 dB/octave
Mid: –30 dB (31.6 mV) re 1V at 1 Pa;
Side: –34 dB (19.9 mV) re 1V at 1 Pa;
LR stereo: –36 dB (15.8 mV) re 1V at 1 Pa
200 ohms
Mid: 123 dB SPL, 1 kHz at 1% T.H.D.;
Side: 127 dB SPL, 1 kHz at 1% T.H.D.;
LR stereo: 126 dB SPL, 1 kHz at 1% T.H.D.
Mid: 101 dB, 1 kHz at Max SPL;
Side: 101 dB, 1 kHz at Max SPL;
LR stereo: 102 dB, 1 kHz at Max SPL
Mid: 72 dB SPL, 1 kHz at 1 Pa;
Side: 68 dB SPL, 1 kHz at 1 Pa;
LR stereo: 70 dB SPL, 1 kHz at 1 Pa
11-52V DC, 4 mA typical at 48V, each
channel
M-S, LR Stereo-Wide (LR-W),
LR Stereo-Narrow (LR-N);
Flat, roll-off
103 g (3.6 oz)
236.0 mm (9.29") long,
21.0 mm (0.83") diameter
Integral 5-pin XLRM-type
Dual 0.61 m (24") shielded two-
conductor, terminated in two 3-pin
XLRM-type connectors
SG2
AT8405a stand clamp for
5
/
8
"-27
threaded stands;
5
/
8
"-27 to
3
/
8
"-16
threaded adapter; AT8134 foam
windscreen; two o-rings; protective
carrying case
Element
Polar patterns
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
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.
Specifications are subject to change without notice.
shall include a stand clamp, a windscreen, two o-rings and a protective
carrying case.
The Audio-Technica BP4029 is specified.
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: 40–20,000 Hz
polar patterns
LEGEND
1 kHz
SCALE IS 5 DECIBELS PER DIVISION
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
LEGEND
Left
1 kHz
Right
1 kHz
SCALE IS 5 DECIBELS PER DIVISION
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
LEGEND
1 kHz
SCALE IS 5 DECIBELS PER DIVISION
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
LEGEND
Left
1 kHz
Right
1 kHz
SCALE IS 5 DECIBELS PER DIVISION
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
side
LR stereo narrow
LR stereo wide
mid
431
