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Summary of Contents for QSC TD-000271-01
- Page 1 TD-000271-01 REV. A *TD-000271-01* GX POWER AMPLIFIER SERIES GX3 300 watts per channel at 8 ohms GX5 500 watts per channel at 8 ohms User Manual...
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Page 2: Important Safety Precautions And Explanation Of Symbols
12- Use only attachments/accessories specified by QSC Audio Products, Inc. 13- Use only with hardware, brackets, stands, and components sold with the apparatus or by QSC Audio Products, Inc. 14- Unplug the apparatus during lightning storms or when unused for long periods of time. -
Page 3: Important Safety Precautions
WELCOME Thank you for purchasing a QSC Audio amplifier. The GX Series is the latest in a long line of hard-working, low cost amplifiers, designed to produce the best possible results for a wide range of users. In most cases, you can plug and play with no surprises, but for best results, we recommend you review the enclosed user guide. -
Page 4: Front Panel Features
FRONT PANEL FEATURES DIMENSIONS Inches (cm) (22.9) 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 panel. - Page 5 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 amplifier reaches full power.
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Page 6: Rear Panel Features
REAR PANEL FEATURES CROSSOVER SWITCH 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. -
Page 7: Speaker Connections
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. -
Page 8: Input Connections
SYSTEM HOOKUP EXAMPLES INPUT CONNECTIONS MIXER SIGNAL LEVEL SOURCE ¼ MIXER SIGNAL LEVEL SOURCE PHONO MIXER SIGNAL LEVEL SOURCE CONNECTION MULTIPLE SPEAKERS To connect two speakers to one amplifier channel, connect one speaker with Speakon or 1/4 –inch jack, and connect the other speaker with a banana plug or wires to the binding posts. -
Page 9: Stereo Playback
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. POWERING HOUSE AND MONITOR SPEAKERS Set the CROSSOVER switch to the FULL RANGE position. -
Page 10: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING 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. -
Page 11: Specifications
SPECIFICATIONS SPECIFICATIONS SPECIFICATION SUBJECT TO CHANGE WITHOUT NOTICE. OUTPUT POWER, 1 kHz, 0.1 % clipping 8Ω, both channels driven 8Ω, single channel driven 4Ω, both channels driven 4Ω, single channel driven 2Ω, both channels driven, 1% clipping SIGNAL TO NOISE (20 Hz – 20 kHz) INPUT SENSITIVITy VOLTAGE GAIN AT 8Ω... -
Page 12: Warranty
QSC Audio Products 3 Year Limited Warranty QSC Audio Products, Inc. ( QSC ) guarantees its products to be free from defective material and / or workmanship for a period of three (3) years from date of sale, and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installation and use - provided the unit is returned to our factory or one of our authorized service stations via prepaid transportation with a copy of proof of purchase (i.e., sales receipt).
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