The Sony Model ECM-56F
cardioid electret condenser microphone
MANUFACTURER’S SPECIFICATIONS
- Capsule: Back-electret condenser
- Directivity: Unidirectional
- Impedance: 250 ohms ±20 per cent at 1 kHz, balanced
- Frequency Response: 20 Hz to 20 kHz
- Output Level: Effective output level –53.8 dbm (0 dbm = 1 mW/10 µBar, 1000 Hz); open circuit voltage, 0.2 mV/µBar at 1000 Hz, output level deviation ±2 dB
- Recommended Load Impedance: More than 3 kilohms
- Maximum Input Level: Approximately 134 dB SPL
- Noise Level: Less than 28 dB SPL (0 dB SPL = 2×10-4 µBar)
- Wind Noise: Less than 40 dB SPL at 2 m/S velocity
- Induction Noise from External Magnetic Field: Less than 5 dB SPL at 1 milligauss, 50 Hz
- Power Requirements: 7 to 9 vdc, 1 mA max. from internal battery or 24 to 54 vdc, 3.5 mA from external power supply
- Battery Life: Approximately 400 hrs. with Eveready 216 manganese, or approx. 600 hrs. with Eveready E146 mercury
- Cable: Attached, 7⁄32-in. diameter (5.2 mm), 2-conductor shielded cable with Cannon XLR-3-12C plug, 20 ft. (600 cm)
- Mounting Thread: PF-½
- Dimensions: 2 in. (5 cm) × 8¼ in. (20.7 cm)
- Weight: 1.06 lbs. (500 gms)
- Finish: Non-reflective satin nickel
- Accessories Supplied: Stand adapter PF-½ to NS 5⁄8
The following illustrations and text are reprinted from the January 1979 issue of Audio.
Microphone courtesy of Jeff Rudisill
Photo courtesy of Bob Cadar
Photo courtesy of Bob Cadar
Photo courtesy of Bob Cadar
Photo courtesy of Bob Cadar
The following ten photos are provided through the courtesy of Miguel Bedolla.
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