RM4

Common name: Horch RM4

Production Status: Discontinued / Vintage

The RM4 is a a large diaphragm studio microphone that claims to be inspired by the U47. The peak saturation point for the microphone is adjustable. No technical details are supplied for this microphone.

Electrical Characteristics

Frequency Response
Hz - kHz
Output Sensitivity
mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
-
Recommended Load
Powering
Proprietary unit
Supply Current
mA
Alternative Powering
Tube Model
ECC81/12AT7/6201

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
7-pin
Connector notes
Available Colours
Weight
Length
Min diameter width
Max diameter
Depth

Accessories

Included
Optional