User Manual
True to the Music
®
Radial Engineering Ltd.
MC3 Monitor Controller
3
REAR PANEL
12. SOURCE INPUTS – Balanced/unbalanced ¼” TRS inputs receive the stereo signal from
your recording system or mixing console.
13. CONFIG – Recessed toggle switch used to congure the monitor-A and B outputs for
balanced or unbalanced operation. Set the toggle switch to match the type of cables you
are using to connect the MC3 inputs and outputs.
14. MONITORS OUT-A & OUT-B – Balanced/unbalanced ¼” TRS outputs used to feed
active monitor speakers. The level of each stereo output may be trimmed using the top
panel LEVEL ADJUSTMENT controls to balance the level between monitor speakers.
15. SUB – Unbalanced ¼” TS mono output used to feed a subwoofer. The output level may
be trimmed using the top panel LEVEL ADJUSTMENT controls to match the level of other
monitor speakers.
16. AUX – Unbalanced ¼” TRS stereo auxiliary output controlled by the headphone level.
Used to drive an auxiliary audio system like a studio headphone amplier.
17. POWER – Connection for a Radial 15VDC 400mA external power supply.
18. CABLE CLAMP – Used to secure the power supply cable and prevent accidental power
disconnection.
TOP PANEL
19. LEVEL ADJUSTMENT – Separate set & forget trim controls on the top panel make it easy
to adjust A and B monitor levels for optimal balance between different monitors.
20. SUB WOOFER - Level adjustment and 180º PHASE switch for the subwoofer output.
The phase control is used to reverse the polarity of the subwoofer to counter the effect of
room modes.
FEATURE SET
15 1317
19 20
1216 1418