Need help?Do you have a question about the QSC GX3 and is the answer not in the manual?
General| Amplifier class | B |
|---|---|
| Frequency range | 20 - 20000 Hz |
| Audio output channels | - channels |
| Peak power per channel | 500 W |
| Signal-to-Noise Ratio (SNR) | 100 dB |
| Total Harmonic Distortion (THD) | 0.01 % |
| RMS power output per channel (8 Ohm) | 300 W |
| DC-in jack | Yes |
| Speakers connectivity type | XLR / 1/4\ |
| Purpose | Home |
| Product color | Silver |
| Connectivity technology | Wired |
| Sustainability certificates | RoHS |
| Maximum current | 6.3 A |
| Certification | UL, CE |
| Package weight | 14100 g |
Weight and Dimensions| Depth | 257 mm |
|---|---|
| Width | 483 mm |
| Height | 89 mm |
| Weight | 12100 g |
Explains the meaning of warning symbols within the manual for user safety.
Advises against removing the cover to prevent electric shock risk.
Warns against exposing the equipment to rain or moisture to prevent fire or shock.
Details compliance with FCC rules regarding radio frequency interference.
Welcome message for purchasing the QSC Audio amplifier.
Instructions for checking the amplifier for shipping damage and correct AC cord/voltage.
Information on QSC Audio Products' global network of distributors and service centers.
Information about the factory-maintained QSC website for user information.
General safety precautions for operating the amplifier safely.
Table showing power output specifications for GX3, GX5, and GX7 models.
Lists key features of the GX Series amplifiers.
Details the operation of the amplifier's power switch and PWR LED.
Explains the function of internal fans and the importance of keeping vents clear.
Refers to where model number and power ratings are shown.
Explains the function and use of the gain controls for each channel.
Information on fitting the amplifier into standard 19-inch racks.
Explains the meaning and behavior of the red CLIP, green SIGNAL, and blue POWER LEDs.
Describes how gain controls function with the crossover switch.
Explains the crossover switch and full range setting for signal routing.
Discusses cooling vents and rear ear mounting for rack installation.
Details XLR, TRS, TS, and Phono input connectors and their pinouts.
Procedure for resetting the AC breaker after a power interruption.
Location of serial number and rating plate information.
Details how to use binding posts for speaker connections.
Instructions for connecting speakers using 1/4-inch connectors.
Guide to connecting speakers using Speakon cables.
Diagrams showing various input signal sources (XLR, 1/4, Phono).
Diagrams showing different speaker output connections (Speakon, 1/4, Wire, Banana Jacks).
Explains how to connect multiple speakers to one amplifier channel.
Example hookup for driving a subwoofer and top box using the crossover.
Example hookup for powering main and monitor speakers.
Example hookup for stereo audio playback.
Example hookup for using both channels with a single signal source.
Troubleshooting steps for when the amplifier shows no signs of life.
Explains volume loss due to GuardRail™ and thermal management.
Troubleshooting for incorrect bass output on Channel 1.
Troubleshooting steps for a non-responsive Channel 2 input.
Diagnosing distorted sound, including CLIP LED indication and speaker issues.
Troubleshooting when the green LED is on but no sound is heard.
Addresses issues when the red LED is on, indicating muting or overheating.
Guidance on identifying and reducing hum from the audio signal chain.
Conditions that indicate possible unsafe operation requiring professional service.
Details output power at various impedances and clipping levels.
Specifies input sensitivity and voltage gain at 8 ohms.
Provides specifications for distortion levels and frequency response.
Details input impedance and maximum input signal level.
Lists input/output connectors and amplifier/load protection features.
Details front panel controls and indicators, and rear panel settings.
Provides physical dimensions and weight for shipping and net.
Lists relevant agency approvals and compliance standards.
Table detailing AC power consumption and BTU/hr ratings.
States limitations of liability for QSC Audio Products, LLC.
Details the terms and conditions of the limited warranty for QSC products.
Provides mailing address, telephone numbers, and website for customer contact.
To Next Page
