Sony ECM-77BC Omni-Directional Electret Condenser Lavalier Microphone, 4-Pin Locking Plug
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Sony ECM-77BC Omni-Directional Electret Condenser Lavalier Microphone, 4-Pin Locking Plug
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 a HIROSE SMC9-4S connector.
Hands Free
As a lavalier microphone, the ECM-77 is an alternative to the traditional hand-held microphone. Being “hands-free,” it allows the presenter to concentrate on her/his performance.
Professional Image
The ECM-77 is probably the most seen microphone on TV and its compact design creates a professional image.
Easy and Familiar Operation
The ECM-77 is an essential tool for achieving good quality voice recording. The microphone's capsule is designed for voice pick-up with an extended frequency response and impressive sensitivity. The popularity of the microphone in TV production means that most sound people will be familiar with using the ECM-77.
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 a 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>
2.5k OHMS±30%, 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
General Section
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>
φ5.6 X 12.5 mm (Mic head)
φ1/4 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)
Optional Accessories
Wind screen pack
Vertical clip pack
Safety pin type clip pack
Horizontal double-clip pack
Horizontal single-clip pack
ECM-77 accessory kit
Colored wind screen kit
Black windscreen for ECM-77
Notes
*<1> 0 dB = 1 V/Pa, at 1 kHz
*<2> Output impedance at 1 kHz
*<3> A-weighted, 1 kHz, 1 Pa.
*<4> 0 dB SPL = 20 μPa.
*<5> dB SPL/1E-7 T, 0 dB SPL = 20 μPa.
*<6> Wind noise at 6.56 ft/s (0 dB SPL = 20 μPa.)
*<8> The values for dimensions are approximate.
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