Sony ECM-77B - Miniature Omni-directional Lavalier Mic
Model #ECM77B


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Packaging Info
Package Weight | 0.95 lb |
Box Dimensions (LxWxH) | 9.291 x 4.252 x 1.732" |
General Information
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) |
Transducer | Electret Condenser |
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) |
Output Connectors | XLR-3M Type |
Polar Pattern | Omnidirectional |
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I've used the ECM-77B to record about 35 documentary-style interviews in the past year. I'm consistently impressed with the quality of recording it produces. I don't want to speak to its noisiness in any way because I think it varies depending on your setup, but I use it with a Tascam digital...
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We use this for sit down interviews all over the world. Our mics are beat up in luggage, carted in backpacks to small villages and always sound the same. I rent these out and they come back fine. Sound quality is probably a 8-9 out of 11.
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This mike has a good pattern, small enough to hide, great for the speaking vocal range, and essential for use with Sony transmitters. Sony transmitter pack a lot into their signal, (encryption, pairing signal, along with the freq.
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I use this mic for making tutorial videos. I use Rode invisilav to hide my mic(also noisefree) and attach on teachers body. And use zoom h4n for recording audio saparately. Great sound. Noisefree.
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Use this microphone in the past twenty years, the sound quality is very best & very low noise. I've got 2 ECM77 & 1 set ECM88.
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Good microphone. Thanks.
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classic microphone
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Used by students in a college news program these mics are durable and provide good sound under a variety of conditions.
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First time buy for videoing interviews. Recommended buy a pro. Perfect for my needs!
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Great mics. I use these for legal video. Very solid and great audio
- Omni-directional Mic
- Standard XLR Male Connector
- Runs on 48V Phantom or AA Batteries
- Includes Windscreen
- Holder Clips
- Protective Carrying Case
- For Theater, Live, & Studio Use
- Sony ECM-77B - Miniature Omni-directional Lavalier Condenser Microphone
- Holder Clips
- Windscreen
- Protective Carrying Case
- 1 Year Warranty