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The Sony ECM-674 is an affordable shotgun-type electret condenser microphone, which delivers excellent sound performance in field and studio productions. Offering high-sensitivity, low-noise characteristics and flat-and-wide frequency response in a compact and lightweight design, the ECM-674 is well-suited for use with Sony camcorders such as the HDV™ Series, DVCAM™ Series, and XDCAM™ Series. In addition, its two-way powering feature allows for both microphone power operation and battery operation. With its high performance, affordable price, and great versatility, the ECM-674 microphone is an ideal choice for a range of sound-acquisition applications.
ECM-674 Features:
Weight:
Approx. 6.5 oz (185 g) without battery
Approx. 7.3 oz (208 g) with battery
Power Requirements:
External: DC 40 to 52 V
Battery: 1.5 V
Dimensions:
ø13/16 x 10 5/8 inches (ø20 x 268 mm)
S/N Ratio:
74 dB or more (IEC179 A-weighted, 1 kHz, 1Pa.)
Sensitivity:
-36 dB*1 ±3 dB
Directivity:
Uni-directional (super-cardioid)
Frequency Response:
60 Hz to 18 kHz
Capsule Type:
Electret condenser
Dynamic Range:
Phantom: 107 dB or more
Battery: 98 dB or more
Induction Noise from External Magnetic Field:
0 dB SPL or less
Wind Noise:
45 dB SPL or less (with windscreen), 50 dB SPL*2 (without windscreen)
Inherent Noise (0dB=20µPa):
19 dB SPL or less
Max SPL (dB SPL)(0dB=20µP):
Phantom: 124 dB SPL
Battery: 115 dB SPL
Output Impedance at 1kHz (Balanced) (1/2 ± 20%):
220 Ω ±20%
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