QM 69
Common name: Neumann QM 69
Production Status: Discontinued / Vintage
The QM 69 is a variant of the SM 69 fet microphone. The microphone was developed in 1974 for quadraphonic recordings and manufactured until 1985. It is equipped with two dual diaphragm K 870 capsules. The signal from each diaphragm is sent to four separate amplifiers with individual outputs. The microphone system is completed with the NQ 69 PSU, QC 1 and QC 2 microphone cables and AC 16 output cable.
Electrical Characteristics
Frequency Response
40Hz - 16 kHz
Output Sensitivity
10 mV/Pa
Max SPL
134
Max SPL, THD:
0.5
Self Noise (CCIR)
21 dB
Self Noise (DIN/IEC)
14 dB-A
Output Impedance
180Ω
Recommended Load
1kΩ
Powering
Proprietary unit
Supply Current
2 mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
Tuchel 3617 (12-pin)
Connector notes
Available Colours
Satin nickel
Weight
510 g
Length
290 mm
Min diameter width
30 mm
Max diameter
49 mm
Depth
Accessories
Included
Optional
QC1 microphone cable. QC 2 microphone cable. NQ69 Power suppy unit. AC 16 4 line output cable