Electret Condenser Microphone MKЭ-389-1A

Electret Condenser Microphone MKЭ-389-1A

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 kg

Nonlinearity of amplitude characteristic of microphone transmission coefficient, no more than: 2

Supplier Information

PJSC Oktava

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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 kg

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 kcal/h

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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