CM7151
Primary use:
Type:
Polar patterns:
Common name: Funkwerk Leipzig CM7151
Production Status: Discontinued / Vintage
The CM7151 is a vacuum tube bottle style microphone with interchangeable Neumann cardioid M7, omnidirectional M9 and figure of eight M8 bayonet capsules produced in 1955. It uses two EF12K (Klingarm) vacuum tubes. Its frequency response ranges from 50 Hz to 10 kHz and has a 200 Ohm output impedance. It has a built-in power supply powered by 220 Volt. This allowed direct connection to a power amplifier.
Electrical Characteristics
Frequency Response
50Hz - 10 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
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
Proprietary
Connector notes
Available Colours
Black
Weight
2270 g
Length
330 mm
Min diameter width
Max diameter
92 mm
Depth
Accessories
Included
Optional