ECM-678

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For superior sound quality, chose the ECM-678. Equipped with a newly developed microphone capsule, it delivers superior sensitivity of -28 dB (0dB=1V/Pa) and extremely low inherent noise of less than 16 dB SPL....

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For superior sound quality, chose the ECM-678. Equipped with a newly developed microphone capsule, it delivers superior sensitivity of -28 dB (0dB=1V/Pa) and extremely low inherent noise of less than 16 dB SPL.
This microphone balances the need for a compact size with its ability to deliver excellent performance. The result is a highly directional microphone that is only 250 mm in length.

Technical Specifications

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Audio Section

Capsule TypeMono Electret Condenser
Frequency Response40 Hz to 20 kHz
DirectivityUni-directional (super-cardioid)
Sensitivity *[1]-28 dB +/-3dB
Output Impedance *[2]200Ω±20%, Balanced
Dynamic Range111 dB or more
Signal-to-Noise Ratio *[3]78 dB or more
Inherent Noise *[4]16 dB SPL or less
Induction Noise From External Magnetic Field *[5]0 dB SPL or less
Wind Noise *[6]60 dB SPL or less (without screen)
Maximum Input Sound Pressure Level *[7]127 dB SPL

General Section

ConnectorXLR-3-12C (male)
Mic CableXLR-3 to XLR-3
480 mm
18.9 inches
Power RequirementsExternal, DC 48 V +/-4 V
Dimensions *[8]φ20 x 250 mm
φ13/16 x 9 7/8 inches
MassApprox. 7 oz
Approx. 200 g
Supplied AccessoriesWindscreen (1)
Stand adaptor (2)
Short LR cable (for camcorder use) (1)
Operating instructions (1)
Mic spacer (2)
Mic holder (1)
Carrying case (1)

Notes

Note*[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.)
*[7] 0 dB SPL = 20? Pa.
*[8] The values for dimensions are approximate.