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Sony ECM673 Shotgun Microphone

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Category: -EFP-&-Broadcast-Shotgun, Pro-Audio-ENG, sony

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The ECM-673 is a short shotgun, electret condenser-type microphone, which delivers excellent sound performance in field and studio production applications at an affordable price. This microphone is also tailored for use with HDV type camcorders.


  • Superb Sound Quality

    The ECM-673 offers an excellent sensitivity of -36 dB (0 dB=1 V/Pa) and a low inherent-noise level of less than 17 dB SPL. This allows the microphone to be used for clear voice pickup, even in noisy working environments.

  • Flat-and-wide Frequency Response

    The ECM-673 microphone has a flat-and-wide frequency response (40 Hz to 20 kHz) and delivers extremely smooth and natural sound reproduction.

  • Compact and Lightweight Design

    The ECM-673 has been designed as a highly directional, compact, and lightweight short shotgun microphone. It measures only 200 mm (7 7/8 inches) in length, and weighs just 135 g (4.76 oz), maintaining good balance even when mounted on compact camcorders.

  • High Durability and Reliability

    The vibration-resistant mechanism of the ECM-673 offers high durability and reliability, making it suitable for the harsh environments that can be encountered in field sound-acquisition.

  • Built-in Low-cut Filter

    The built-in two-position (M, V) low-cut switch on the ECM-673 provides a simple method of reducing the effects of unwanted ambient noise.

Technical Specifications

Please be aware that the features/specifications can differ from country to country

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Audio Section

Capsule Type Mono Electret Condenser
Frequency Response 40 Hz to 20 kHz
Directivity Uni-directional (super-cardioid)
Sensitivity *[1] -36 dB ±3 dB
Output Impedance *[2] 220Ω±20%, Balanced
Dynamic Range 107 dB or more
Signal-to-Noise Ratio *[3] 77 dB or more
Inherent Noise *[4] 17 dB SPL or less
Induction Noise From External Magnetic Field *[5] 0 dB SPL or less
Wind Noise *[6] 50 dB SPL (without windscreen)
45 dB SPL or less (with windscreen)
Maximum Input Sound Pressure Level *[7] 124 dB SPL

General Section

Connector XLR-3-12C (male)
Mic Cable XLR-3 to XLR-3
500 mm
19.6 inches
Power Requirements External, DC 40 V to 52 V
Dimensions *[8] φ20 x 200 mm
φ13/16 x 7 7/8 inches
Mass Approx. 4.8 oz
Approx. 135 g
Supplied Accessories Windscreen (1)
Stand adaptor (2)
Short LR cable (for camcorder use) (1)
Operating instructions (1)
Mic spacer (2)
Mic holder (1)


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.)
*[8] The values for dimensions are approximate.

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