Sony Professional ECM-77BPT, Electret Condenser Lavalier Microphone without Power Unit or Connector

Sony Professional ECM-77BPT, Electret Condenser Lavalier Microphone without Power Unit or Connector

Audio Section

• Capsule Type: Electret Condenser
• Frequency Response: 40 Hz to 20 kHz
• Directivity: Omni-directional
• Sensitivity *[1]: -39.0 dB (11.2 mV)
• Output Impedance *[2]: 2.5kΩ±30%, Unbalanced
• Dynamic Range: 90 dB or more
• Signal-to-Noise Ratio *[3]: 64 dB or more
• Inherent Noise *[4]: 30 dB SPL or less
• Induction Noise From External Magnetic Field *[5]: 5 dB SPL or less
• Wind Noise *[6]: 40 dB SPL or less (with windscreen)
• Maximum Input Sound Pressure Level *[7]: 120 dB SPL

General Section

• Connector: No connector (Pigtail)
• Mic Cable: 9.8 feet, 3 m
• Power Requirements: DC 1.1 V to 10.0 V
• Power Consumption: 0.4 mA or less
• Dimensions *[8]: φ 5.6 X 12.5 mm (Mic head), φ 1/4 X 1/2 inches (Mic head)
• Mass: Approx. 22.7 g, Approx. 0.8 oz
• Supplied Accessories: Single/horizontal type tie clip (1), Metal-mesh type windscreen (1), Optional AccessoriesWind screen pack, Vertical clip pack, Safety pin type clip pack, Horizontal double-clip pack, Horizontal single-clip pack, ECM-77 accessory kit, Colored windscreen kit, Black windscreen for ECM-77

Notes

• *[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 μPa
• *[5] dB SPL/1E-7 T, 0 dB SPL = 20 μPa
• *[6] Wind noise at 2m/s (0 dB SPL = 20 μPa)
• *[7] 0 dB SPL = 20 μPa
• *[8] The values for dimensions are approximate.