A black anodized finish with improved voice quality from wide frequency response, Sony's ECM-55 Omni-Directional Electret Condenser Lavalier Microphone is best for productions and multimedia applications. Featuring choice of battery unit or external power supply, join the ride with ECM-55.
XLR type (Supplied with a battery unit and XLR-3-12C type connector) | ECM-55B |
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Capsule type | Electret Condenser |
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Frequency response | 30 Hz to 18kHz |
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Directivity | Omni-directional |
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Sensitivity | -52.0 dB ±2 dB |
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Output impedance at 1kHz | 100 Ω ±20% (balanced) |
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Dynamic range | 98 dB or more |
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S/N ratio (A-weighted, 1kHz, 1 Pa.) | 66 dB or more |
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Inherent noise (0 dB SPL = 2E-5 Pa.) | 28 dB SPL or less |
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Wind noise - with windscreen, at 2 m/s (0 dB SPL = 2E-5 Pa.) | 40 dB SPL or less |
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Induction noise from external magnetic field (dB SPL/1E-7 T, 0 dB SPL = 2E-5 Pa) | 5 dB SPL or less |
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Maximum input sound pressure level (0 dB SPL = 2E-5 Pa.) | 126 dB SPL |
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Power supply | Battery: IECR6 or LR6 Battery life (LR6): Approx. 6000 h External power: DC 12 to 48 V |
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Power requirements | DC 1.5 V (ECM-88B used with the supplied DC-78 battery unit) |
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Current drain | 0.3 mA or less |
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Cable length | 3.0 m (9.8 feet) |
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Dimensions | Microphone head: 10.6 diameter x 21 mm (7/16 diameter x 27/32 inch) Power unit: 20.0 diameter x 133 mm (13/16 diameter x 5 1/4 inches) |
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Mass | Total: 127 g (4.5 oz) Microphone head only: 6.5 g (0.23 oz) |
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