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Pages: 2
Pages: 18
Pages: 60
[Page 1] QSC GX3
EN User Manual GX3 300 watts per channel at 8 ohms GX5 500 watts per channel at 8 ohms GX7 725 watts per channel at 8 ohms GX POWER AMPLIFIER SERIES *TD-000271-00* TD-000271-00 REV. D TM ...
[Page 2] QSC GX3
2 EN IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS 1- Read these instructions. 2- Keep these instructions. 3- Heed all warnings. 4- Follow all instructions. 5- WARNING: To prevent re or electric shock, do not expose this equipment to rai...
[Page 3] QSC GX3
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 ash with arrowhead symbol within an equilateral...
[Page 4] QSC GX3
4 EN FRONT PANEL FEATURES inches (cm) ON-OFF SWITCH Move the rocker switch up to turn on the amplier. 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 ...
[Page 5] QSC GX3
5 EN GAIN CONTROLS, CH1, CH2 The markings show attenuation in dB. For normal use, keep the control in the upper half of its range (less than 10 dB of attenuation). If set below half, the source may overload before the amplier reaches full powe...
[Page 6] QSC GX3
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,...
[Page 7] QSC GX3
7 EN AC BREAKER RESET If the amplier 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 amplier...
[Page 8] QSC GX3
8 EN SYSTEM HOOKUP EXAMPLES ...
[Page 9] QSC GX3
9 EN SYSTEM HOOKUP EXAMPLES ...
[Page 10] QSC GX3
TROUBLESHOOTING 10 EN NO POWER, NO LIGHTS, NO FAN Conrm 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 amplier by pushing in the...
[Page 11] QSC GX3
SPECIFICATIONS 11 EN SPECIFICATIONS GX3 GX5 GX7 SPECIFICATION SUBJECT TO CHANGE WITHOUT NOTICE. OUTPUT POWER, 1 kHz, 0.1 % clipping 8Ω, both channels driven 300 W 500 W 725W 8Ω, single channel driven 350 W 600 W 800W 4Ω, both channels d...
[Page 12] QSC GX3
EN WARRANTY (USA only; other countries, see your dealer or distributor) Disclaimer QSC Audio Products, LLC is not liable for any damage to ampliers or any other equipment that is caused by negligence or improper installation and/or use of this lo...
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