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. Omni-directional Pattern The omni-directional pattern provides even sensitivity and frequency response at the direct and off-axis sections of the microphone capsule. Dual Power The ECM-77B is powered with a single AA alkaline battery or external 48 volt phantom power source. Miniature Profile The miniature, unobtrusive profile enables the microphone to be easily concealed in broadcast and performance situations. Standard XLR Connection The ECM series is available in a variety of connections, this version features a standard 3-pin XLR male connection.
Transducer Electret Condenser Polar Pattern Omnidirectional Frequency Response 40 Hz - 20 kHz Dynamic Range (Typical) > 90 dB Signal-to-Noise Ratio 64 dB, (@ 1 kHz) Maximum Input Sound Level 120 dB, (@ 1 kHz, 1% THD) Power Requirements 'AA' Battery (1.5v DC), or Phantom Power 48v DC Output Impedance 150 Ohms, (+/-20%, 1 kHz Balanced) Output Connectors XLR-3M Type Pad None Low Frequency Roll-Off None Applications Radio, Television and Broadcast. 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 Weight Microphone: 0.053 oz. (1.5 g) Power Supply: 4.2 oz. (120 g)
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