Product Overview
Perfect for television applications, Sony's ECM77B Omni-Directional Electret Condenser Microphone is a miniature lavalier microphone designed to be inconspicuous.
This tiny mic runs on either phantom power or AA-battery operation. The ECM77B comes with an attached XLR connector.
Features:
- Miniature, omni-directional electret condenser microphone.
- Worldwide-acclaim for performance and reliability in studio, ENG, and EFP applications.
- Wide frequency response, high sensitivity, and low-noise characteristics.
- Miniature design makes it easy to conceal in a costume.
Specifications:
- Capsule type: Electret Condenser
- Frequency response: 40-20,000Hz
- Directivity: Omnidirectional
- Sensitivity (0dB=1V/Pa, at 1kHz): -52.0 dB ±2 dB
- Output Impedance at 1 kHz: 150 ? ±20% (balanced)
- Dynamic Range: 90 dB or more
- Signal-to-Noise Ratio (A-weighted, 1kHz, 1 Pa): 64 dB or more
- Inherent noise (0dB SPL=2E-5 Pa): 30 dB SPL or less
- Wind Noise (with windscreen, at 2 m/s): 40 dB or less
- Induction noise from external magnetic field: 5 dB SPL or less
- Maximum input sound pressure level: 120 dB SPL
- Power Supply
- Battery: IECR9 or LR6
- Battery life (LR6): approx. 6000 h
- External power: DC 12 to 48 V
- Power Requirements: DC 1.5 V
- Current Drain:
- Internal Battery: 0.3 mA or less
- External Power: 2 mA or less
- Cable length: 9.8 feet (3.0 m)
- Dimensions:
- Microphone head: 1/4" diameter x 1/2" length (5.6mm x 12.5mm)
- Power unit: 13/16" diameter x 5 1/2" length (20.0mm x 133mm)
- Weight:
- Microphone head only: 0.05 oz (1.5 g)
- Total: 4.3 oz (122 g)