SONY / ECM-674/9X

SONY / ECM-674 is a 2-way power supply of dry battery and external power supply. Sharp directivity electret condenser microphone

■ Type: Back electret condenser type
■ Power supply: Dry battery: DC1.5V (use 1 AA dry battery)
■ External power supply: DC40-52V
■ Connector: Equivalent to XLR-3-12C (convex)
■ Cable: φ5.0mm, 2-core shield, length about 500mm
■ Outer dimensions: about φ20 x 268 mm (maximum diameter x total length)
■ Weight: about 185g (main unit only) / about 208g (including dry batteries)

■ Frequency response: 40Hz-20kHz
■ Directivity: Sharp directivity
■ Output impedance: 220Ω ± 20%, balanced type
■ Front sensitivity: -36 ± 3dB (0dB = 1V / Pa, 1kHz)
■ Signal-to-noise ratio: 77dB or more (1kHz, 1Pa)
■ Noise:
・ Inherent noise: 17 dB SPL or less
・ Wind noise * 1: 50dB SPL or less (without windscreen installed), 45dB SPL or less (with windscreen installed)
・ Induced noise of external magnetic field:
■ Maximum input sound pressure level: 0 dB SPL / 1 × 10 -7 (1 mG) or less
・ 124dB SPL (when using external power supply)
・ 115dB SPL (when using dry batteries) * 2
■ Dynamic range: 107dB SPL or more
■ Allowable operating temperature: 0- + 50 ℃
■ Allowable storage temperature: -20- + 60 ℃
■ Dry battery duration:
・ AA alkaline battery (when using Sony LR-6 alkaline battery): Approximately 2,200 hours
・ AAA manganese battery (when using Sony manganese battery R-6P): Approx. 1,400 hours
■ Accessories: Windscreen (x1), Microphone holder PF1/2 (x1), Microphone spacer (x1), Connection cord (x1), Instruction manual (x1), Warranty card (x1)