PB-31
Common name: RCA PB-31
Production Status: Discontinued / Vintage
The PB-31 is a Photophone bidirectional ribbon microphone. It preceded the PB-46 and the 44-A. Released in 1931 it was installed in the Radio City Music Hall in New York in 1932.
Electrical Characteristics
Frequency Response
Hz - kHz
Output Sensitivity
mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
-
Recommended Load
Powering
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
XLR-3M
Connector notes
Available Colours
Matte nickel.
Weight
2267.9 g
Length
279.4 mm
Min diameter width
Max diameter
Depth
120.65mm
Accessories
Included
Optional