Sony ECM-77BPT Miniature Omnidirectional Lavalier Microphone User Manual

 

SONY ECM-77BPT Miniature Omnidirectional Lavalier Microphone

Overview

The ECM-77 is probably the most often seen lavalier 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-77BPT which is supplied with pre solder bare wire ends

Hands Free
As a lavalier microphone, the ECM-77 is an alternative to the traditional hand held microphone and being ‘hands free’ it allows the presenter to concentrate on her/his performance.

Professional Image
The ECM-77 is probably the most seen microphone on TV and its compact design creates a professional image.

Easy and Familiar Operation
The ECM-77 is an essential tool for achieving good quality voice recording. The microphone’s capsule is designed for voice pick-up with an extended frequency response and impressive sensitivity. The popularity of the microphone in TV production means that most sound people will be familiar with using the ECM-77.

Features

Designed for high quality voice pick-up
The ECM-77’s capsule features a voice emphasis curve, extended frequency response and sensitivity.

Minute size
The capsule has a diameter of only 5.6mm and is 12.5mm long.

Ready for other systems
The ECM-77BPT version is supplied with pre-solder wire ends, allowing a convenient solution for interfacing the microphone with other types of connectors.

Specifications

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 Accessories
    • Wind screen pack
    • Vertical clip pack
    • Safety pin type clip pack
    • Horizontal double-clip pack
    • Horiozntal single-clip pack ECM-77 accessory kit
    • Colored wind screen kit
    • Black windscreen for ECM-77

Notes

  • Note
    • *[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.

Gallery

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