QM12 Quad

Common name: Line Audio Design QM12 Quad

Production Status: Discontinued / Vintage

A single-point surround microphone fitted with a quadruple set of triple-diaphragm cartridges. These are set at 90° mutual angles. It is equivalent to four SM3Ls in one body. The individual outputs can be mixed to provide mono omni, cardioid and figure 8 patterns, stereo XY, MS or Blumlein, and Quadraphonic.

Electrical Characteristics

Frequency Response
20Hz - 20 kHz
Output Sensitivity
10 mV/Pa
Max SPL
130
Max SPL, THD:
Self Noise (CCIR)
21 dB
Self Noise (DIN/IEC)
11 dB-A
Output Impedance
150Ω
Recommended Load
Powering
Supply Current
4 mA
Alternative Powering

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
Proprietary
Connector notes
12pin split to 4xXLR3M
Available Colours
Weight
320 g
Length
170 mm
Min diameter width
Max diameter
47 mm
Depth

Accessories

Included
Elastic suspension
Optional