Sony ECM77BMP Electret Condenser Lavalier Microphone

Sony Updated: 2008-05-03 RSS
Sony ECM77BMP Electret Condenser Lavalier Microphone

High-Quality, omni-directional lavalier condenser microphone with BMP style plug, for use with UWP Series body-pack transmitters.

Highlights:

* Omni-Directional Electret Condenser Microphone

Specifications:

Inherent Noise: (0dB SPL = 2E-5 Pa.)30 dB SPL or less
Maximum Input Sound Pressure Level: (0 db SPL = 2E-5 Pa.)120 dB SPL
Capsule Type: Electret Condenser
Dimensions Microphone Head: 1/4 diameter x 1/2 inch
Dimensions Power Unit (XLR Type Only): 13/16 diameter x 5 1/4 inches
Directivity: Omni-directional
Dynamic Range: 90 dB or more
Frequency Response: 40 Hz to 20 kHz
Induction Noise from External Magnetic Field: 5 dB SPL or less
Model Variations: BMP type (Supplied with a 3.5 mm diameter, 3-pole mini plug.)
S/N Ratio: 64 dB or more
Wind Noise: 40 dB SPL or less

Lavalier Microphones - Weight

Microphone Head Only: 0.05 oz (1.5 g)
Total XLR Type: 4.3 oz (122 g)
Total BMP Type: 0.6 oz (17 g)
Total Pigtail Type: 0.9 oz (26 g)
Total SMC Type: 0.8 oz (23 g)

Lavalier Microphones - Sensitivity

Pigtail/SMC/BMP Type: -39.0 dB (11.2 mV)
XLR Type: -52.0 dB ±2 dB

Lavalier Microphones - Power Requirements

Pigtail/SMC/BMP Type: DC 1.1 to 10.0 V
XLR Type: DC 1.5 V

Lavalier Microphones - Power Supply (XLR type only)

Battery: IECR6 or LR6
Battery Life (LR6): Approx. 6000 h
External Power: DC 12 to 48 V

Lavalier Microphones - Cable Length

Pigtail Type: 9.8 feet
XLR Type: 9.8 feet

Lavalier Microphones - Current Drain

Pigtail/SMC/BMP Type: 0.4 mA or less
XLR type (External Power): 2 mA or less
XLR type (Internal Battery): 0.3 mA or less

Lavalier Microphones - Output Impedance

Pigtail/SMC/BMP Type: 2.5 kΩ ±30% (unbalanced)
XLR Type: 150 Ω ±20% (balanced)