Sony ECM-77B Electret Condenser Miniature Lavalier Microphone

The Sony ECM-77B is a miniature omni-directional lavalier microphone designed for professional broadcast, sound reinforcement, and recording applications. The condenser element has a miniature profile, allowing it to be easily concealed in performance and broadcast situations. Its omni-directional pick-up pattern provides even frequency and sensitivity response.

Key Features: Sony ECM-77B Electret Condenser Miniature Lavalier Microphone

• Omni-directional pattern provides even sensitivity and frequency response
• Powered with a single AA alkaline battery or external 48 V phantom power
• Unobtrusive profile enables easy concealment in broadcast and performance situations
• Features a standard 3-pin XLR male connection

Specifications

• Capsule Type: Electret condenser
• Frequency Response: 40 Hz to 20 kHz
• Directivity: Omni-directional
• Sensitivity *(1): -39.0 dB (11.2 mV)
• Output Impedance *(2): 2.5kO±30%, unbalanced
• Dynamic Range: 90 dB or more
• Signal-to-Noise Ratio *(3): 64 dB or more
• Inherent Noise *(4): 30 dB SPL or less
• Induction Noise From External Magnetic Field *(5): 5 dB SPL or less
• Wind Noise *(6): 40 dB SPL (with windscreen)
• Maximum Input Sound Pressure Level *(7): 120 dB SPL
• Connector: XLR-3-12C (male)
• Mic Cable: 1.2 m (3.9 feet)
• Power Requirements: DC 1.1 V to 10.0 V
• Power consumption: 0.4 mA or less
• Dimensions *(8): 5.6 x 12.5 mm (f0.25 x 0.5")
• Weight: Approx. 25.5n g (0.9 oz)
• Supplied Accessories:
• Single/horizontal type tie clip (1)
• Metal-mesh type windscreen (1)

Notes
*(1) 0 dB = 1 V/Pa, at 1 kHz
*(2) Output impedance at 1 kHz
*(3) A-weighted, 1 kHz, 1 Pa.
*(4) 0dB SPL = 20? Pa.
*(5) dB SPL/1E-7 T, 0 dB SPL = 20? Pa.
*(6) Wind noise at 2m/s (0 dB SPL = 20?Pa.)
*(8) The values for dimensions are approximate