Sony ECM-77B is a miniature omni-directional lavalier microphone designed for professional broadcast, sound reinforcement and recording applications. The condenser element features a miniature profile allowing it to be easily concealed in performance and broadcast situations. The omni-directional pattern provides even frequency and sensitivity response at the direct and off-axis sections of the microphone capsule.
The ECM-77 provides a wide frequency response of 40Hz - 20kHz. The wide frequency response enables the microphone to accurately reproduce audio signal from a wide variety of sources. The ECM-77B is powered with an external 48 Volt phantom power source or AA alkaline battery. The ECM-77B is manufactured with a variety of connectors to accommodate various input devices, this version features a standard 3-pin XLR male connection.
| Dimensions | Microphone: .5 x .25" (12.5 x 5.6mm) LxDiameter Power supply: 5.25 x .82 (131.5 x 20mm) LxW Cable: 10' x .09" (3m x 2.3mm) LxW |
|---|---|
| Polar Pattern | Omnidirectional |
| Frequency Response | 40 Hz - 20 kHz |
| Impedance | 150 Ohms, (+/-20%, 1 kHz Balanced) |
| Max Input Sound Level | 120 dB, (@ 1 kHz, 1% THD) |
| Dynamic Range | > 90 dB |
| Power Requirement | 'AA' Battery (1.5v DC), or Phantom Power 48v DC |
| Weight | Microphone: 0.053 oz. (1.5 g) Power Supply: 4.2 oz. (120 g) |
| Output Connector | XLR-3M Type |
Sony ECM-77B - Miniature Omni-Directional Lavalier Condenser Microphone
Holder Clips
Windscreen
Protective Carrying Case
