ECM-673 (ECM673)

Short Shotgun Electret Condenser Microphone.

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Overview

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.

Features

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.

Specifications

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

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