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Rack Mounting
Use four screws and washers to mount the
amplifier to the equipment rack rails. To use the
amplifier outside a rack, attach the self-adhe-
sive rubber feet to the bottom.
Air flow in QSC amplifiers: Cool air is drawn into the
rear of the amplifier by the cooling fan. Warm air exits
the front of the amplifier.
Cooling
Air flows from the rack, into the back of the amplifier, and out
the front. This keeps the rack cool. The fan automatically runs
faster when the amp is working hard.
Do not block the rear intake or front air vents!
AC Mains
Connect AC power to the IEC socket on the back of the ampli-
fier. NOTE: Turn off the AC power switch before connecting AC
power.
The correct AC line voltage is shown on the serial
number label, on the rear panel. Connecting to the
wrong line voltage may damage the amplifier or
increase the risk of electric shock.
Setting the Mode Switches
The rear panel mode switches control the amplifier’s operating
mode, and each channel’s independent clip limiting and low fre-
quency (LF) filtering. All models Clip Limiter switch settings are
the same. However, Operating Mode and Low Frequency Filter
settings are different for the Ti models. The rear panel label
shows this information for convenient reference.
Setting Clip Limiters
Each channel has a clip limiter with its own on-off switch. The
limiter only responds to actual clipping, and automatically com-
pensates for load and voltage variations. Clip limiting is gener-
ally recommended, especially to protect high frequency drivers.
Switch 1 controls CH1.
Switch 10 controls CH2.
Set switch to RIGHT to use Clip Limiting.