M 7

Common name: Microtech Gefell M 7

Production Status: Discontinued / Vintage

The M 7 is one of the most famous and revered microphone capsule design of all times. It is a dual 10µ PVC diaphragm on a single brass backplate capsule. First produced in 1932 in Berlin. There were variants sold by Telefunken (ElaMz 032/01 and Klangfilm). It has a cardioid polar pattern.

Electrical Characteristics

Frequency Response
40Hz - 16 kHz
Output Sensitivity
16 mV/Pa
Max SPL
120
Max SPL, THD:
0.5
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
-
Recommended Load
Powering
Proprietary unit
Supply Current
mA
Alternative Powering

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
Bayonet
Connector notes
Available Colours
Grey
Weight
208 g
Length
140 mm
Min diameter width
19 mm
Max diameter
58 mm
Depth
35mm

Accessories

Included
Capsule Box
Optional