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Setting up your MPL 1204 is a simple procedure which takes only a few minutes:
1. Remove all packing materials (save them in case of need for future service)
and decide where the unit is to be physically placed—it can be mounted in any
standard 19" rack, requiring four rack spaces, or used on a tabletop.
2. Before even plugging the unit into an AC socket, begin by connecting the
MPL 1204 Main or Control Room outputs into a power amp and the amp into
loudspeakers (you’ll usually connect the Main output to a power amp in live
performance environments and the Control Room output to a power amp when
using the MPL 1204 for recording). It is never a good idea to power up any
amplifier that is not connected to loudspeakers.
3. Next, make the signal input connections to the mic or line inputs of the
various channels.
WARNING: Do not connect a channel’s line input if you
already have something connected to its microphone input, or vice versa; each
channel is designed to accept only one source or the other.
4. Set all channel Trim controls fully counterclockwise (to their “+4” setting) and
turn all channel Level controls fully counterclockwise (to their “∞” setting). Then
bring all four bus faders completely down (to their “∞” setting), and set the Main
and Control Room Level controls fully counterclockwise (to their “∞” setting).
Finally, connect the IEC main power cord and plug the MPL 1204 into any
grounded AC socket.
5. Turn on the rear panel Power switch—the “Power” LED in the main section
will light up.
Setting Up and Using The MPL 1204
SERVO - 240
SAMSON
1
2
3
1
2
3
MAIN
BALANCED <75Ω +4dBu
RIGHT
LEFT
SERVO - 240
SAMSON
CONTROL ROOM
BALANCED <75Ω +4dBu
RIGHT LEFT