AudioTechnica BP4029 Stereo/MS Shotgun Microphone

 Based on models originally developed for use in the broadcast of the Sydney Olympics in 2000, the BP4027 (14.96" long) and BP4029 (9.29" long) Stereo Shotgun models are engineered for high-end broadcast and production use. Both microphones feature independent line-cardioid and figure-of-eight elements configured in an MS (Mid-Side) arrangement with switch-selectable internal matrixing. These innovative microphones allow sound recordists the choice of selecting a left-right stereo output (wide or narrow) via the microphone’s internal matrixing system or choosing discreet Mid-Side signals for later manipulation, a flexibility not available from any other manufacturer.

A switchable low frequency roll-off filter helps minimize the pickup of unwanted low frequency noise. These phantom-powered models feature a rugged lightweight design and sleek black color scheme, perfect for on-camera use.

• Designed for broadcasters, videographers and sound recordists
• Compact, lightweight design is perfect for camera-mount use
• Independent Line-cardioid and Figure-of-eight condenser elements
• Switchable low-frequency roll-off
• Switch selection of non-matrixed M-S mode and two internally-matrixed left/right stereo modes
• Includes a 0.61 m (24") cable (5-pin XLRF to two standard 3-pin XLRM connectors)
• RoHS compliant—free from all substances specified in the EU directive on hazardous substances

 

SPECIFICATIONS
ELEMENTS	Fixed-charge back plate, permanently polarized condenser
POLAR PATTERNS	Line-cardioid, Figure-of-eight
FREQUENCY RESPONSE	40-20,000 Hz
LOW FREQUENCY ROLL-OFF	80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY	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
IMPEDANCE	200 ohms
MAXIMUM INPUT SOUND LEVEL	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.
DYNAMIC RANGE (typical)	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
SIGNAL-TO-NOISE RATIO	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
PHANTOM POWER REQUIREMENTS	11-52V DC, 4 mA typical at 48V, each channel
SWITCHES	M-S, LR Stereo-Wide (LR-W), LR Stereo-Narrow (LR-N); Flat, roll-off
WEIGHT	103 g (3.6 oz)
DIMENSIONS	236.0 mm (9.29") long, 21.0 mm (0.83") diameter
OUTPUT CONNECTOR	Integral XLR5M-type
CABLE	Dual 0.61 m (24") shielded two-conductor, terminated in two XLR3M-type connectors
ACCESSORIES FURNISHED	AT8405a stand clamp for 5/8"-27 threaded stands; AT8134 foam windscreen; 5/8"-27 to 3/8"-16 threaded adapter; protective carrying case
AUDIO-TECHNICA CASE STYLE	SG2

 

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