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SPECIFICATIONS

ECM-322BC

ECM-322BMP

Capsule type

Electret condenser

Directivity

Omni-directional

Frequency response

50 Hz to 18 kHz

Sensitivity (0 dB=1 V/Pa, at 1 kHz)

-42 dB (7.94 mV) ±3dB 

Output impedance at 1 kHz

1.4 k

Ω

±30% (unbalanced)

Dynamic range

81 dB or more

Signal-to-noise ratio (A-weighted, 1 kHz, 1 Pa)

60 dB or more

Inherent noise (0 dB SPL = 2E-5 Pa)

34 dB SPL or less (IEC 179, A-weighted)

Wind noise

55 dB SPL or less

Maximum input sound pressure level

115 dB SPL

Power requiements

DC 2 V to 10 V

Current drain

1.3 mA or less

Connector type

SMC9-4P

3-pole locking mini plug

Cable length

3.9 feet (1.2 m) 

Dimensions

ø

11

/

32

(capsule case) x 6 

5

/

8

inches 

ø8.4 (capsule case) x 168 mm

Weight

0.4 oz (10 g) without connector

Supplied accessories

Headband (x1), clip (x1), carrying case (x1), operating instructions (x1)

CHOICE OF MODELS

ECM-322BC with WRT-822B

ECM-322BMP with bodypack transmitter included in

the UWP-C1/S1/X1 package

ECM- 322BC

: Supplied with a Sony 4-pin connector (SMC9-4P) for use with the WRT-8B/822A/822B bodypack transmitter

ECM- 322BMP

: Supplied with a 3-pole locking mini plug for use with the bodypack transmitter included in UWP series

100 Hz

1 kHz

10 kHz

–30

–40

–50

–60

–70

–80

20

100

50

200

500

1k

2k

5k

10k

20k

Response (dB)

Frequency (Hz)

90º

180º

Directivity Characteristics

Frequency Response Characteristics

A-1157

Printed in U.S.A. 4/07

Sony Electronics Inc.
One Sony Drive 

Park Ridge, NJ 07656

www.sony.com/ProAudio

©2007 Sony Electronics Inc.  All rights reserved.

Reproduction in whole or in part without written permissions is prohibited.

Features and specifications are subject to change without notice.

All non-metric weights and measures are approximate.

Sony is a trademark of Sony.

MK10338V3

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