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MX Series — MX24 Operating Instructions
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Connecting To Your MX24: Analogue Line Inputs and Outputs
The inputs are made via 3-pin XLR connectors, which are electronically balanced and should
be connected via a high-grade twin core screened cable, as follows:
PIN1: Screen (see note below)
PIN2: Hot ()
PIN3: Cold (signal -)
The unit is designed to operate with fully balanced equipment and ground loops or loss of
performance may be experienced if connected to unbalanced sources. If it is unavoidable
however, the following wiring should be used. The cable should still be twin core plus screen.
PIN1:
Screen - connected to the chassis of the unbalanced equipment - or left disconnected
at the unbalanced end.
PIN2: Hot ()
PIN3: Cold
(ground
0V)
NOTE: This unit is wired to the latest industry recommendations. PIN1 is connected directly
to the chassis/mains earth. If ground loops (mains hum) are encountered remove the screen
connection from the other end of the cable and leave it open circuit. If problems persist,
consult your dealer/supplier.
DO NOT TAMPER WITH OR ALTER ANY GROUND (EARTH) CONNECTIONS INSIDE THE UNIT.
Additionally, there is a front panel unbalanced stereo 3.5mm jack socket for connection to a
line source (such as a laptop/tablet/mobile phone).
1: Screen
2: Left
3: Right
Outputs are also made via 3-pin XLR connectors wired as follows:
PIN1: Screen (see note above)
PIN2: Hot ()
PIN3: Cold (signal -)
Note that the rear panel outputs are electronically balanced and so are not galvanically
(electrically) isolated. Front panel outputs are transformer balanced and so are isolated.
The headphone socket (6.4mm) is stereo, but audio is always mono — do NOT use a mono jack
as the output is floating:
1: Screen
2: Left (mono)
3: Right (mono)