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.

• Superb sound quality
• Low inherent-noise level of less than 17 dB SPL
• Flat-and-wide frequency response (40 Hz to 20 kHz)
• Compact and lightweight design: 7 7/8 inches in length and 4.76 oz weight
• High durability and reliability
• Built-in low-cut filter switch (M, V) for reducing of undesired ambient nose

• Capsule Type: Electret Condenser
• Directivity: Uni-directional (super-cardioid)
• Frequency Response: 40Hz to 20 kHz
• Sensitivity (at 1 kHz): -36 dB (0 dB=1 V-Pa, at 1 kHz) ±3dB
• Output Impedance (at 1 kHz): 220 Ohms ±20%
• Dynamic Range: 107 dB or more
• Signal-to-noise Ratio: 77 dB or more (IEC179 A-weighted, 1 kHz, 1Pa)
• Inherent Noise 17 dB SPL (0 dB=20 µ Pa) or less
• Wind Noise: 45 dB SPL (0 dB=20 µ Pa) or less (with windscreen), 50 dB SPL (without windscreen)
• Induction Noise from External Magnetic Field: 0 dB SPL (0 dB=20 µ Pa ) or less
• Maximum Input Sound Pressure Lev: 124 dB SPL (0 dB=20 µ Pa)
• Power Requirements: DC40 to 52 V
• Dimensions: 13/16 diameter x 7 7/8"
• Weight: 4.76 oz