Rear Controls and Connections

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(19) SPEAKER OUTPUT JACKS

The R/Main and L/Monitor outputs are for the Right and Left, or Main and Monitor outputs respectively depending on the Power Amp Selector Switch (18) setting. The 1/4" speaker outputs can deliver up to 150W RMS per side to 4Ω loads. Speaker loads less than 4Ω are not recommended and could result in overheating and damage to the internal amplifiers. If the output audio is noticeably distorted, or sounds like it is turn down the master volume controls immediately to avoid clipping which can damage you speakers and the SPM-6300 power amp with excessive neglect.

If the mixer has been running constantly for several hours, make sure the rear panel is not getting too hot to avoid over-heating the unit and causing thermal runaway. If it is getting very hot, either turn the audio down some or let the SPM-6300 idle with no output signal and the fan on. CAUTION — REAR PANEL CAN GET VERY HOT!! Keep panel away from flammable objects. For maximum cooling, ventilation, and efficiency, keep mixer away from walls or other objects.

(20) POWER CONNECTOR & FUSE COMPARTMENT

The IEC socket is used to connect the power cord to an AC power source. Replace with only the same type fuse as listed in the SPECIFICATIONS. If it blows continuously, do not use the unit and have it serviced by qualified personnel.

(Caution: Do not remove the center grounding pin.)

(21) AC VOLTAGE SELECTOR SWITCH

Before plugging in the power cord, check to see that the unit is set for the proper voltage for your area: ~115V (60Hz) or ~230V (50Hz).