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  6. ECM-55B

ECM-55B (ECM55B)

Omni-directional lavalier Electret condenser microphone

Where to buy

Overview

ECM-55B Omni-directional Electret Condenser Lavalier Microphone.
  • Supplied power unit with internal battery and male 12 – 48 V phantom supply operation
  • Black mic body and cable

Specifications

Audio Section
Capsule Type
Electret Condenser
Frequency Response
30 Hz to 18 kHz
Directivity
Omni-directional
Sensitivity *[1]
-52.0 dB ±2 dB
Output Impedance *[2]
100Ω±20%, Balanced
Dynamic Range
98 dB or more
Signal-to-Noise Ratio *[3]
66 dB or more
Inherent Noise *[4]
28 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]
126 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]
φ7/16 X 27/32 inches (Mic head)
φ20.0 X 133 mm (Power unit XLR type)
φ13/16 X 5 1/4 inches (Power unit XLR type)
φ10.6 X 21 mm (Mic head)
Mass
Approx. 4.5 oz (with power supply unit)
Approx. 126.5 g (with power supply unit)
Supplied Accessories
Single/vertical type tie clip (1)
Single/horisontal type tie clip (1)
Operating instructions (1)
Mic case (1)
Metak-mesh type windscreen (1)
Double/horizontal type tie clip (1)
Optional Accessories
Wind screen pack
Horizontal single-clip pack
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? Pa.
*[5] dB SPL/1E-7 T, 0 dB SPL = 20? Pa.
*[6] Wind noise at 2m/s (0 dB SPL = 20?Pa.)
*[7] 0 dB SPL = 20? Pa.
*[8] The values for dimensions are approximate.