Sony ECM-77B Omni-Directional Electret Condenser Microphone

Sony ECM-77B (ECM/77B, ECM_77B, ECM77B, ECM 77B, ecm-77b) Omni-Directional Electret Condenser Microphone

The ECM-77 is probably the most often seen lapel microphone on TV and it is used widely in both studio production and on location. Its popularity is based on a combination of excellent sound quality, robust construction and an attractive cosmetic design.

This microphone is the ECM-77B XLR3 version with power barrel for use as a wired microphone.

Audio Section

• Capsule Type: Electret Condenser
• Frequency Response: 40 Hz to 20 kHz
• Directivity: Omni-directional
• Sensitivity *[1]: -52.0 dB ±2 dB
• Output Impedance *[2]: 150Ω±20%, Balanced
• 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: B type. Supplied with XLR-3-12C (male) connector in power supply unit (single AA size battery)

Mic Cable:

• 9.8 feet
• 3 m

• Power Requirements: DC 1.5 V (AA size battery) or +48 V phantom power
• Battery Operating Time: Approx. 6000 h (LR6)

Power Consumption:

• Internal battery: 0.3 mA or less
• External battery: 2 mA or less

Dimensions *[8]:

• o5.6 X 12.5 mm (Mic head)
• o20 X 133 mm (Power unit XLR type)
• o13/16 X 5 1/4 inches (Power unit XLR type)
• o1/4 X 1/2 inches (Mic head)

Mass:

• Approx. 4.3 oz (with power supply unit)
• Approx. 121.5 g (with power supply unit)

In the box

• Sony ECM-77B -Omni-Directional Miniature Lavalier (tie-clip) Microphone with XLR Pre-amp
• Holder Clips
• Windscreen
• Protective Carrying Case