Important Safety Precautions & Explanation of Symbols 1- Read these instructions. 2- Keep these instructions. 3- Heed all warnings. 4- Follow all instructions. 5- WARNING: To prevent fire or electric shock, do not expose this equipment to rain or moisture. Do not use this apparatus near water. 6- Clean only with a dry cloth. 7- Do not block any ventilation openings. 8- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
INTRODUCTION Thank you for choosing PowerLight 3 for your amplification needs. You have joined a worldwide community of professionals who rely on QSC products to perform under all conditions. QSC's vision is to be the most trusted provider of high quality audio products and services to artists and professionals worldwide. We earn that trust through careful design, thorough testing, and obsessive attention to quality and detail, in all phases of manufacturing and service.
LED INDICATORS CLIP (Red) Shows Distortion, Limiting, Muting -10dB (Orange) Output is approaching Full Power -20dB (Green) Middle of Normal Range SIGNAL (Green) Low End of Normal Range POWER (Blue) Run or Standby BRIDGE PARALLEL Status of Input Mode Switch (Yellow) (Orange) (on rear panel) GAIN CONTROLS 21 Steps, 1dB Each. LOCKOUT PLATE MOUNTING See page 8 for installation.
COOLING VENTS Rear Intake. Keep Clear. SAFETY AGENCY AND RECYCLING MARKS AC POWER CABLE. Location and Type Vary By Model and AC Voltage. REAR SUPPORT EARS See page 10. SERIAL NUMBER LABEL AC BREAKER PL380 Only.
FRONT PANEL FEATURES AC POWER SWITCH •Controls all power to the amplifier. The AC Switch must be ON to use remote controlled Standby mode. The Blue POWER LED should illuminate whenever Power is ON, either in Standby or Run. •On the PL-380, it is normal for the Clip LEDs to remain on for 15 seconds after removing power. The red LEDs indicate prompt muting to prevent turn-off noises. CLIP LED (Red, Each Channel). •The LED glows bright red while amp is muted for any reason.
REAR PANEL FEATURES INPUT CONNECTIONS •Precision balanced inputs offer superior hum rejection, and accept >21dBu input levels on all Sensitivity settings (see Specs). •Female and Male XLR, Pluggable Terminal Blocks, and DataPort Input signals are all wired in parallel for each channel. •Paralleled DataPort routing is used for the first time on the PL3 series. Therefore, DataPort-connected signals can be patched to other amplifiers.
Rack Mounting and Dimensions Use four screws and washers to mount the amplifier to the equipment rack rails. To use the amplifier outside a rack, attach the self-adhesive rubber feet to the bottom. For portable, mobile, or other applications where the rack assembly may be moved, we strongly recommend supporting the rear of the amplifier. A rear rack ear kit is available from QSC’s Technical Services Group.
Specifications PL325 MAXIMUM OUTPUT POWER 1kHz, 1% clipping 8 ohms, both channels driven 500 4 ohms, both channels driven 850 2 ohms, both channels driven 1250 8 ohms, bridge mono 1700 4 ohms, bridge mono 2500 (*Burst mode testing required due to AC service current limitations) PL340 PL380 800 1250 2000 2600 4000 1500 2500 4000* 5000 8000* TYPICAL DISTORTION 20-3kHz, 3dB below clip, or 20-5kHz, 10dB below clip, or 20-20kHz, 20dB below clip 8 ohms 0.002-0.01% 0.002-0.01% 4 ohms 0.005-0.01% 0.005-0.
Warranty (USA only; other countries, see your dealer or distributor) Disclaimer QSC Audio Products, Inc. is not liable for any damage to amplifiers or any other equipment that is caused by negligence or improper installation and/or use of this loudspeaker product. QSC Audio Products 3 Year Limited Warranty QSC Audio Products, Inc.
