BK-5A

Common name: RCA BK-5A

Production Status: Discontinued / Vintage

The BK-5A is a cardioid ribbon microphone for music recording, speech and broadcasting applications. The ribbon element provides a uniform frequency response over the entire spectrum and is immune to temperature and humidity variations. The BK-5A features a three-position music-voice switch (M-V1-V2) and a blast filter with two separated cloth layers supported by perforated metal screen to avoid damage. It is finished in low-gloss TV grey enamel finish and can be boom, desk or floor stand mounted. Includes a thirty-foot flexible cable.

Electrical Characteristics

Frequency Response
50Hz - 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
Powering
Supply Current
mA
Alternative Powering

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
XLR-3M
Connector notes
Available Colours
low-gloss TV grey.
Weight
1445 g
Length
177.8 mm
Min diameter width
Max diameter
69.85 mm
Depth
73.02mm

Accessories

Included
Optional
MI-4092E desk mount. MI-11012 boom mount. Windscreen.