M-7



The electret microphone. Destined to be used as a part of hearing aid devices , microphone sets and other communication facilities.

Technical data

Sensitivity at no-load operation with the power source voltage (1,2) V at the frequency of 1000 Hz, mV/Pa, no less than 7
Deviation of the frequency response from the standard in the frequency range of 200-5000 Hz, dB ±3
The current drawn , mkA, no more than

70

Output resistance , kOhm , no more than

3

Level of equivalent sound pressure caused by the microphone's own noises, dB, no more than 26
Dimensions , mm 5,6x4x2,3
Weight , gr no more than 0,2