RM-21
Common name: Alctron Electronics RM21
Production Status: Discontinued / Vintage
The RM-21 is a long-frame studio ribbon microphone particularly suited to instruments. The motor is a double ribbon type with two 2.5 micron x 50 mm x 5 mm aluminium ribbons.
Electrical Characteristics
Frequency Response
30Hz - 18 kHz
Output Sensitivity
1.75 mV/Pa
Max SPL
165
Max SPL, THD:
1
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
18 dB-A
Output Impedance
600Ω
Recommended Load
3kΩ
Powering
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
XLR-3M
Connector notes
Available Colours
Weight
1245 g
Length
185 mm
Min diameter width
Max diameter
68 mm
Depth
Accessories
Included
Optional