The 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.
||40 Hz - 20 kHz
|Dynamic Range (Typical)
||> 90 dB
||64 dB, (@ 1 kHz)
|Maximum Input Sound Level
||120 dB, (@ 1 kHz, 1% THD)
||'AA' Battery (1.5v DC), or Phantom Power 48v DC
||150 Ohms, (+/-20%, 1 kHz Balanced)
|Low Frequency Roll-Off
||Radio, Television and Broadcast.
||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
||Microphone: 0.053 oz. (1.5 g)
Power Supply: 4.2 oz. (120 g)