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

© 2004 – 2022 Sony Corporation. All rights reserved. Reproduction in whole or in part without written permission is prohibited. Features and specifications are subject to change without notice. The values for mass and dimension are approximate. All trademarks are the property of their respective owners.

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