Sony ECM-44BPT Omni-Directional Electret Condenser Microphone
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Sony ECM-44BPT Omni-Directional Electret Condenser Microphone
Sony has produced over five million professional ECM (Electret Condenser Microphones) microphones and the ECM-44 is the affordable, general voice model. It provides good sound quality and is widely used in business presentation systems and TV production. The ECM-44 is available in four versions, featuring different connector types. This model, ECM-44BMP, has a 3.5mm locking jack for use with WRT-805 wireless transmitter.
Key Features
- The ECM-44's capsule features an emphasis curve and a suitable frequency response for voice pick-up
- The capsule has a diameter of only 8.5mm and is 14.5mm long
Technical Specifications
Audio Section
Capsule Type
Electret Condenser
Frequency Response
40 Hz to 15 kHz
Directivity
Omni-directional
Sensitivity *<1>
-40.0 dB (10 mV)
Output Impedance *<2>
2.5k30%, Unbalanced
Dynamic Range
90 dB or more
Signal-to-Noise Ratio *<3>
62 dB or more
Inherent Noise *<4>
32 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>
122 dB SPL
Connector
No connector (Pigtail)
Mic Cable
9.8 feet
3 m
Power Requirements
DC 1.1 V to 10.0V
Power Consumption
0.4 mA or less
Dimensions *<8>
o8.5 x 14.5 mm (Mic head)
o11/32 x 19/32 inches (Mic head)
Mass
Approx. 28 g
Approx. 1.0 oz
Supplied Accessories
Urethane type windscreen (1)
Single/horisontal type tie clip (1)
Operating instructions (1)
Mic case (1)
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