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Home / IT & Telecommunications / Electret Microphone / Electret Condenser Microphone MKЭ-389-1A
IT & Telecommunications Electret Microphone
Electret Condenser Microphone MKЭ-389-1A

Electret Condenser Microphone MKЭ-389-1A — PJSC Oktava

Brand: Oktava
$0.30 - $1.80 USD
MOQ: 5000 pieces

Key Features

Overall dimensions of the microphone (without cord): Ø 8,5×6,9 mm
Power supply voltage: 2,3-6 thousand m³
Nominal frequency range: 300-4000
Nonlinearity of amplitude characteristic of microphone transmission coefficient, no more than: 2

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Description

The electret condenser microphone MKE-389-1A is designed for subscriber telephone equipment (ATT). MKE-389-1A has a miniature case.

Specifications

Overall dimensions of the microphone (without cord)
Ø 8,5×6,9 mm
Power supply voltage
2,3-6 thousand m³
Nominal frequency range
300-4000
Nonlinearity of amplitude characteristic of microphone transmission coefficient, no more than
2
Harmonic coefficient of the microphone at a frequency of 1000 Hz at a sound pressure of 3 Pa 3 Pa sound pressure, not more
4 set
Weight of the microphone, not more
0.7 million m² total area
Equivalent sound pressure level due to intrinsic noise (curve A)
33
Average time to failure, not less
50000
Warranty period of operation
1 kVAr
Paraphonic sensitivity at 1000 Hz, at supply voltage (3,0±0,2) V
6-12

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