Carbon microphone MK-16-U-MB-U USSR military

 Carbon microphone    MK-16-U-MB-U USSR military 

 Marked in rombus ♦ rusian standard ror military application

New newer used  . Delivered for bulgarian army dirlig cold wire  produced 1980-1988

Description and Applications

for telephone and other communication devices.

Technical characteristics

Rated frequency range 300-3400 Hz

Microphone transfer coefficient at 1000 Hz, mV / Pa 120-240

Indicator microphone volume , 4,5 ± 2,5 dB

Operating temperature, -50 ° C ... 55

Overall dimensions, mm Ø48 × 24

Weight, g 35