Wiring Conventions - SoundCraft SM12 User Manual

Wiring conventions

Installation
The SM12 uses two different types of audio connector: 3-pin XLR and
jacks. These are used in several configurations, as shown below.
MICROPHONE INPUTS
TALKBACK MIC
TALKBACK INPUT
/ " 'A ' Gauge Stereo Jack Plug used as balanced input:
1
4
Hi-Z inputs, insert returns, external inputs
1 /4" 'A ' Gauge Stereo Jack Plug used as ground compensated output:
AFL/PFL outputs
1 /4" 'A ' Gauge Stereo Jack Plug used as balanced output:
Insert sends, oscillator
1 /4" 'A ' Gauge Stereo Jack Plug used as stereo output:
STEREO MIX L, R & WEDGE OUTPUTS
GROUP, TB & OSCILLATOR OUTPUTS
⁄
1
" 3-pole
4
Headphones
9