Audio-Technica BP4073 manual Specifications

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	BP4073
Specifications
Element	Externally polarized (DC bias) condenser
Polar pattern	Line + gradient
Frequency response	20-20,000 Hz
Low frequency roll-off	80 Hz, 12 dB/octave
Open circuit sensitivity	–29 dB (35.5 mV) re 1V at 1 Pa
Impedance	50 ohms
Maximum input sound level	141 dB SPL, 1 kHz at 1% T.H.D.;
	151 dB SPL, with 10 dB pad (nominal)
Noise1	13 dB SPL
Dynamic range (typical)	128 dB, 1 kHz at Max SPL
Signal-to-noise ratio1	81 dB, 1 kHz at 1 Pa
Phantom power requirements	48V DC, 4.8 mA typical
Switches	Flat, roll-off ; 10 dB pad (nominal)
Weight	99 g (3.5 oz)
Dimensions	233.0 mm (9.17") long,
	21.0 mm (0.83") diameter
Output connector	Integral 3-pin XLRM-type
Audio-Technica case style	SG2
Accessories furnished	AT8405a stand clamp for 5/8"-27
	threaded stands; 5/8"-27 to 3/8"-16
	threaded adapter; AT8144 windscreen;
	two o-rings; protective carrying case

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/cm2 = 10 microbars = 94 dB SPL

1Typical, A-weighted, using Audio Precision System One. Specifications are subject to change without notice.

frequency response: 20–20,000 Hz

50	100	200	500	1k	2k	5k	10k	20k
			Frequency in Hertz
LEGEND		12" or more on axis
		Roll-off

polar pattern

10 dB

Response in dB

		90˚
		LEGEND
		200 Hz
210˚	150˚	1 kHz
		5 kHz
	180˚	8 kHz

SCALE IS 5 DECIBELS PER DIVISION

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Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
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