BM4
Common name: Bang & Olufsen BM4
Production Status: Discontinued / Vintage
The BM4 Beomic is a bidirectional ribbon microphone featuring a 0.0001″ thick duraluminium element and Nu-Metal transformer. It has a three position switch with voice (T), Music (M) and Off (O) settings. The close talk position engages a 100 Hz, 12 dB octave. Includes 20 ft. shielded two conductor cable and microphone case.
Electrical Characteristics
Frequency Response
20Hz - 11 kHz
Output Sensitivity
0.39 mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
100/450/60000Ω
Recommended Load
Powering
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
XLR-3M
Connector notes
Available Colours
Weight
425 g
Length
195 mm
Min diameter width
Max diameter
30 mm
Depth
Accessories
Included
20 ft. shielded two conductor cable.
Optional