331
Common name: Astatic 331 "The Citizen"
Production Status: Discontinued / Vintage
The 331 is a ceramic microphone for communications, paging and ham radio applications. It is equipped with a momentary-on spring-return switch. The microphone has a die cast black housing and grille with chrome cap.
Electrical Characteristics
Frequency Response
300Hz - 5 kHz
Output Sensitivity
12.5 mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
-
Recommended Load
100000kΩ
Powering
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
Switchcraft 2501MP
Connector notes
Available Colours
Black.
Weight
340 g
Length
107.95 mm
Min diameter width
Max diameter
31.75 mm
Depth
Accessories
Included
Includes mounting bracket.
Optional