The Sony ECM-77BPT is a miniature omnidirectional 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 omnidirectional pattern provides even frequency and sensitivity response at the direct and off-axis sections of the microphone capsule.
The ECM-77BPT provides a wide-frequency response of 40 Hz to 20 kHz, which enables the microphone to accurately reproduce an audio signal from a wide variety of sources. This pigtail version of the ECM-77BPT is sold without a plug so that users can attach their own custom connections.
Omnidirectional Pattern
The omnidirectional pattern provides even sensitivity and frequency response at the direct and off-axis sections of the microphone capsule.
Miniature Profile
The miniature, unobtrusive profile enables the microphone to be easily concealed in broadcast and performance situations.
Unterminated Connection
The ECM series is available in a variety of connections; this version is sold without a plug so that users can attach their own custom connections.
Sony ECM-77 Specs
| Transducer | Electret Condenser |
| Polar Pattern | Omnidirectional |
| Frequency Response | 40 Hz to 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 | 1.1 to 10 VDC, =0.4 mA |
| Output Impedance | 2.5 kOhms, (±30%, 1 kHz, Unbalanced) |
| Output Connectors | No Connector (Pigtail) |
| Pad | None |
| Low Frequency Roll-Off | None |
| Dimensions | Microphone: .5 x .25" / 12.5 x 5.6 mm LxDiameter Cable: 9.8' x .09" / 3 m x 2.3 mm LxW |
| Weight | 0.8 oz / 22.7 g |
- Sony ECM-77BPT Omnidirectional Lavalier Condenser Microphone (Pigtail)
- Holder Clips
- Windscreen
- Protective Carrying Case
- Barcode: 45286
- UPC Barcode: 27242632516
- Supplier Code: ECM77BPT