Page 2 - IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS
EN IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS 1- Read these instructions. - 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...
Page 3 - WELCOME; UNPACKING; FEATURES; GX POWER AMPLIFIER SERIES; Professional Power Amplifiers
3 EN The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in this manual. The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presen...
Page 4 - FRONT PANEL FEATURES; MODEL NUMBER; DIMENSIONS
4 EN FRONT PANEL FEATURES ON-OFF SWITCH Move the rocker switch up to turn on the amplifier. The blue PWR LED will turn on immediately. The red CLIP LEDs may trigger for 1-2 seconds until the amp has completed its turn-on cycle. If no lights come on, check the power cord and the AC reset on the rear ...
Page 6 - REAR PANEL FEATURES; CROSSOVER POSITION; CROSSOVER SWITCH
6 EN REAR PANEL FEATURES CROSSOVER POSITION Splits a full-range signal to drive a subwoofer and top box. CH 1 receives the lows, from 20-100Hz, for the subwoofer. CH 2 receives 100Hz to 20kHz, to power a full range speaker. When using CROSSOVER mode, connect signal to CH 1 only. Use the two Gain con...
Page 7 - SPEAKER CONNECTIONS
7 EN AC BREAKER RESET If the amplifier shuts off after a long burst of power, turn off the AC switch and check the circuit breaker. The button can be pressed back in after a 30 second cool-down period. If the breaker trips repeatedly, the amplifier may need servicing. SERIAL NUMBER AND RATINGS The r...
Page 8 - SYSTEM HOOKUP EXAMPLES; INPUT CONNECTIONS; XLR; SPEAKON; CONNECTION MULTIPLE SPEAKERS
8 EN SYSTEM HOOKUP EXAMPLES INPUT CONNECTIONS XLR MIXERSIGNAL LEVEL SOURCE ¼ MIXERSIGNAL LEVEL SOURCE PHONO MIXER SIGNAL LEVEL SOURCE SET TO FULL RANGE SET TO FULL RANGE SET TO FULL RANGE SPEAKER CONNECTIONS SPEAKON ¼ WIRE BANANA JACKS 8 OR 4 OHM CONNECTION MULTIPLE SPEAKERS To connect two speakers ...
Page 9 - SUBWOOFER AND TOP BOX; SUB; STEREO PLAYBACK
EN SYSTEM HOOKUP EXAMPLES SUBWOOFER AND TOP BOX Move the CROSSOVER switch to the CROSSOVER position. Connect a single source, into the Ch 1 input. Connect a subwoofer to the Ch 1 output and connect a 2-way to box to the Ch 2 output. Set the CROSSOVER switch to the FULL RANGE position. Use a mixer wi...
Page 10 - AMPLIFIER LOSES VOLUME; TROUBLESHOOTING
TROUBLESHOOTING 10 EN NO POWER, NO LIGHTS, NO FAN Confirm that the AC cord is fully seated and connected to a live outlet. Check the AC source by trying another device such as a lamp. Check the BREAKER on the back of the amplifier by pushing in the button. If the breaker trips off quickly, the ampli...
Page 11 - SPECIFICATIONS
SPECIFICATIONS 11 EN GX3 GX5 SPECIFICATION SUBJECT TO CHANGE WITHOUT NOTICE. OUTPUT POWER, 1 kHz, 0.1 % clipping8Ω, both channels driven 300 W 500 W 8Ω, single channel driven 350 W 600 W 4Ω, both channels driven 425 W 700 W 4Ω, single channel driven 500 W 850 W 2Ω, both channels driven, 1% clipping ...
Page 12 - WARRANTY; Disclaimer; improper installation and/or use of this loudspeaker product.; QSC Audio Products 3 Year Limited Warranty; How to Contact QSC Audio Products
EN 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 Limite...