Sony ECM-77BC/9X Discrete Omni-Directional Lavalier Electret Condenser Microphone

Sony ECM-77BC/9X Discrete Omni-Directional Lavalier Electret Condenser Microphone

The ECM-77 is probably the most often seen lavalier microphone on TV and it is used widely in both studio production and on location. Its popularity is based on a combination of excellent sound quality, robust construction and an attractive cosmetic design. This microphone is the ECM-77BC supplied with a 4-pin locking plug for use with wireless transmitters which have HIROSE SMC9-4S connector. As a lavalier microphone, the ECM-77 is an alternative to the traditional hand held microphone and being 'hands free' it allows the presenter to concentrate on her/his performance.

Key Features

• The ECM-77's capsule features a voice emphasis curve, extended frequency response and sensitivity
• The ECM-77BC is compatible with wireless transmitters which have HIROSE SMC9-4S connector, providing high quality wireless microphone systems for video production
• The capsule has a diameter of only 5.6mm and is 12.5mm long

Technical Specifications

Audio Section
Capsule Type
Electret Condenser
Frequency Response
40 Hz to 20 kHz
Directivity
Omni-directional
Sensitivity *<1>
-39.0 dB (11.2 mV)
Output Impedance *<2>
2.5k30%, Unbalanced
Dynamic Range
90d B or more
Signal-to-Noise Ratio *<3>
64 dB or more
Inherent Noise *<4>
30 dB SPL or less
Induction Noise From External Magnetic Field *<5>
5 dB SPL or less
Wind Noise *<6>
40 dB SPL or less (with windscreen)
Maximum Input Sound Pressure Level *<7>
120 dB SPL
Connector
BC type. Supplied with Sony 4-pin (SMC9-4P) connector
Mic Cable
3.9 feet
1.2 m
Power Requirements
DC 1.1 V to 10.0V
Power Consumption
0.4 mA or less
Dimensions *<8>
5.6 X 12.5 mm (Mic head)
1/4 X 1/2 inches (Mic head)
Mass
Approx. 25.5 g
Approx. 0.9 oz
Supplied Accessories
Single/horizontal type tie clip (1)
Metal-mesh type windscreen (1)