The Sony ECM-77 is probably the most often seen lapel 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 WRT-822 and
WRT-8B wireless transmitters
As a lapel 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
The ECM-77 is probably the most seen microphone on TV and its compact design creates a professional image.
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.
| 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] |
2.5kO±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 |