ECM-678

Shotgun Electret condenser microphone
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ECM-678

ECM-678
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Overview

For superior sound quality, choose the ECM-678. 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.

Specifications

Audio Section
Capsule Type
Mono Electret Condenser
Frequency Response
40 Hz to 20 kHz
Directivity
Uni-directional (super-cardioid)
Sensitivity *[1]
-28 dB +/-3 dB
Output Impedance *[2]
200Ω±20%, Balanced
Dynamic Range
111 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
Connector
XLR-3-12C (male)
Mic Cable
XLR-3 to XLR-3
480 mm
18.9 inches
Power Requirements
External, DC 48 V +/-4 V
Dimensions *[8]
φ20 x 250 mm
φ13/16 x 9 7/8 inches
Mass
Approx. 7 oz
Approx. 200 g
Supplied Accessories
Windscreen (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] 0 dB SPL = 20 μPa.
*[5] dB SPL/1E-7 T, 0 dB SPL = 20 μPa.
*[6] Wind noise at 2m/s (0 dB SPL = 20 μPa.)
*[7] 0 dB SPL = 20 μPa.
*[8] The values for dimensions are approximate.

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