BK-11A
Common name: RCA BK-11A
Production Status: Discontinued / Vintage
The BK-11A is a bidirectional ribbon microphone designed for AM, FM and TV studio applications. The ribbon is unaffected by temperature, humidity or air pressure and the microphone has extremely good shielding allowing operation in high hum fileds. A three position switch (M, V1, V2) allows the selection of different frequency ranges for voice and music.
Electrical Characteristics
Frequency Response
30Hz - 15 kHz
Output Sensitivity
1.58 mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
30/150/250Ω
Recommended Load
1kΩ
Powering
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
Open ends
Connector notes
Available Colours
Low gloss deep umber grey and non-reflecting stainless steel.
Weight
900 g
Length
200 mm
Min diameter width
Max diameter
60 mm
Depth
73mm
Accessories
Included
30 foot, three conductor, shielded unterminated cable.
Optional
KS-11A desk stand. Desk stand 91-D. Floor stand CS-1