Sony Professional ECM-77LM, Miniature Omni-directional electret condenser microphone
Vendor: Sony
Available
Sony Professional ECM-77LM, Miniature Omni-directional electret condenser microphone
Lavalier mic with excellent sound quality, ideal for use with DWT-B03R wireless transmitter The Sony ECM-77 miniature lavalier microphone is seen in daily use on TV shows around the world and is an equally familiar sight in both studio-based productions and on location. A discreet 'hands-free' alternative to handheld microphones, its popularity is due to a combination of excellent sound quality, robust construction, and an attractive cosmetic design. The miniature design of the ECM-77 makes it easy to conceal in a stage performer's costume. The electret condenser microphone's Omni-directional capsule is optimized for clear speech pick-up, with extended frequency response, impressive sensitivity, and low handling noise. Featuring a 3-pin Lemo connector, this Sony Professional ECM-77LM version is an ideal partner for use with the DWT-B03R DWX Series digital wireless microphone bodypack transmitter.
Sony Professional ECM-77LM Main Features
- For TV, Stage, Journalism & Broadcast
- Omnidirectional for Consistent Levels
- Compatible LEMO Transmitter List Below
- Easily Concealable
- Attached 3.9' Cable
- Requires 3 to 10 VDC
- Includes Windscreen & Tie Clip
Audio Section
- Capsule Type: Electret Condenser
- Frequency Response: 40 Hz to 20 kHz
- Directivity: Omni-directional
- Sensitivity *[1] [7]: -39.0 dB
- Output Impedance *[2] [7]: 6.3k Ω ± 30%, Unbalanced
- Dynamic Range: 95 dB or more
- Signal-to-Noise Ratio *[3]: 64dB (typ.)
- Inherent Noise *[4]: 32 dB SPL or less
- Induction Noise From External Magnetic Field *[5]: 5 dB SPL or less
- Wind Noise *[6]: 40 dB SPL or less (with windscreen)
- Maximum Input Sound Pressure Level *[7]: 127 dB SPL
General Section
- Connector: Small 3-pin connector
- Mic Cable: 5.25 feet, 1.6 m
- Power Requirements: DC 3.0 V to 10.0V
- Power Consumption: 0.4 mA or less
- Dimensions *[8]: φ5.6 X 12.5 mm (Mic head), φ1/4 X 1/2 inches (Mic head)
- Mass: Approx. 1.5 g (without cable), Approx. 0.053 oz (without cable)
- Supplied Accessories: Single/horizontal type tie clip (1), Metal-mesh type windscreen (1)
- Optional Accessories: Windscreen pack, Vertical clip pack, Safety pin type clip pack, Horizontal double-clip pack, Horizontal single-clip pack, ECM-77 accessory kit, Coloured windscreen kit, Black windscreen for ECM-77
Notes
- *[1] 0 dB = 1 V/Pa, at 1 kHz
- *[2] Output impedance at 1 kHz
- *[3] IEC 179,A-weighted, 1 kHz, 1 Pa.
- *[4] 0dB = 20 μPa
- *[5] dB SPL/1E-7 T
- *[6] Wind noise at 2m/s (0 dB SPL = 20 μPa)
- *[7] Vdd:5.5V, RL:8.2kΩ
- *[8] The values for dimensions are approximate.