CM7156
Primary use:
Type:
Common name: Funkwerk Leipzig CM7156
Production Status: Discontinued / Vintage
The CM7156 is a multi-pattern vacuum tube condenser microphone switchable between omnidirectional and cardioid pickup patterns produced between 1956 and 1961. The capsule features a medium 22 mm PVC diaphragm similar to the classic M7. The circuit is based around an AC761 and EC92 vacuum tubes powered by an StV 8556 power supply unit. Its frequency response ranges from 40 Hz to 20 kHz and has a 200 Ohm output impedance. Includes power supply, microphone cable and microphone case.
Electrical Characteristics
Frequency Response
40Hz - 20 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
AC761
Tube Brand
RFT
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
Proprietary
Connector notes
Available Colours
Hammered Grey
Weight
400 g
Length
220 mm
Min diameter width
Max diameter
40 mm
Depth
Accessories
Included
Wooden box. Microhone cable. Power supply.
Optional