CMV 789
Primary use:
Type:
Common name: Microtech Gefell CMV 789
Production Status: Discontinued / Vintage
The CMV 789 is a rare vacuum tube microphone produced between 1949 and 1956 with omnidirectional and cardioid polar patterns. It uses a military RV12P2000 tube and a M7 double PVC diaphragm over a brass backplate capsule.
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
200Ω
Recommended Load
Powering
Proprietary unit
Supply Current
mA
Alternative Powering
Tube Model
RV12P2000 (RFT or Telefunken)
Tube Brand
RFT
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
Neumann Gefell NS 67 5-pin male
Connector notes
Available Colours
Cream
Weight
Length
Min diameter width
Max diameter
Depth
Accessories
Included
Powr supply. Microphone box.
Optional