C 391 B
Common name: AKG C 391 B
Production Status: In production
The C 391 B is the popular combination of a Blue Line Series SE 300 B preamplifier/power unit and a CK91 capsule. It features a switchable bass roll-off/attenuator with three positions: flat, 75Hz and 10db attenuation. Blue Line series capsule can be interchanged.
Electrical Characteristics
Frequency Response
20Hz - 20 kHz
Output Sensitivity
10 mV/Pa
Max SPL
132
Max SPL, THD:
1
Self Noise (CCIR)
28 dB
Self Noise (DIN/IEC)
17 dB-A
Output Impedance
-
Recommended Load
1kΩ
Powering
Phantom 12-48
Supply Current
2 mA
Alternative Powering
Switchable Options
Pad
10dB
Filter/EQ
75Hz 12dB/oct
Physical Characteristics
Connector
XLR-3M
Connector notes
Available Colours
Dark grey
Weight
115 g
Length
146 mm
Min diameter width
Max diameter
19 mm
Depth
Accessories
Included
SA 40 stand 90 foam windscreen
Optional
A91 swivel joint, MK90/3 + H98 cable, stand adptr/hngr