ECM-678
Sony
ECM-678
It offers excellent sensitivity, low inherent noise, and extreme durability. Its highly directional response allows clear voice pick-up even in the most demanding of environments, while the built-in low-cut filter switch helps to reduce unwanted pop and wind noise encountered in the field. With its high performance and durability, the ECM-678 microphone is the perfect choice for quality-critical sound-acquisition applications.
Product Weight: 7 oz
Dimensions: 9.88"L x .81" diameter
Technical Tools
Manufacturer Specs
Directivity: Uni-directional (Super-cardioid)
Frequency response: 40 Hz to 20 kHz
Sensitivity (at 1 kHz): -28 dB*1 ±3 dB
Output impedance (at 1 kHz): 200Ω ±20%
Dynamic range: 111 dB or more
Signal-to-noise ratio: 78 dB or more (IEC179 A-weighted, 1 kHz, 1Pa.)
Inherent noise: 16 dB SPL*2 or less
Wind noise: 60 dB SPL*2 or less
Induction noise from external magnetic field: 0 dB SPL*2 or less
Maximum input sound pressure level: 127 dB SPL*2
Power requirements: External, DC 48 V ±4 V
Notes
*1 0 dB=1 V/Pa., at 1 kHz
*2 0 dB SPL=20μ Pa.
