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User Manual for QSC GXD 8 Professional 4500W Power Amplifier with DSP Click to enlarge the picture
Contents of the user manual for the QSC GXD 8 Professional 4500W Power
- Product category: Power Amplifiers QSC
- Brand: QSC
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for QSC Power Amplifiers
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User manual for the QSC GXD 8 Professional 4500W Power contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any QSC product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official QSC user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a QSC product will considerably shorten its lifespan!
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Product description The GDX 8 from QSC is a professional power amplifier designed for professional PA systems utilizing speakers with 4 and 8 ohm loads and a maximum output of 4500W. The GDX 8 employs a class D output stage with a universal power supply for high performance and efficiency, while keeping the unit lightweight at 13.2 lbs. The integrated DSP section includes High and Low-Pass filters (24 dB LR), 4-band parametric equalizer, signal alignment delay, and RMS/Peak speaker protection limiting. The parallel XLR and 1/4" TRS input connectors offer broad compatibility with convenient loop-through capabilities, while the professional binding posts and NL4 connector provide mono and bi-amped speaker connections. In addition to the limiting offers on the inputs and outputs, the GDX employs smart speaker protection by providing settings for the loudspeaker's continuous output and impedance (4 ohm or 8 ohm). The GDX 8 ships with a standard IEC power cord. -
- High peak output power with up to 4500W
- Power levels matched to popular loudspeakers and optimized for maximum headroom into 4-ohm and 8-ohm speaker systems
- Class-D output stage with a universal power supply for high performance and efficiency
- Extensive built-in loudspeaker processing, includes high & low-pass filters, 4-band PEQ, limiting, and delay
- Large LCD display simplifies amplifier setup and indicates amp status
- Inputs: Parallel XLR and 1/4” TRS connectors for compatibility with any source while providing convenient loop-thru capability
- Precision rotary encoders for gain and DSP parameter control
- Outputs: Professional binding post and NL4 connectors (compatible with NL2) provide for mono and bi-amp speaker connections
- Digital Limiting automatically protects the amplifier from damage due to temperature rise or overdrive
- Adjustable speaker protection to match your loudspeaker’s power and impedance
- Front panel LEDs indicate signal presence, input overload, and amplifier clipping
UPC: 684284064967 In the Box QSC GXD 8 Professional 4500W Power Amplifier with DSP IEC Power Cord Limited 3-Year Warranty Table of Contents
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Technical parametersQSC GXD 8 Specs | Watts Per Channel | 8 Ohm Dynamic (Both Channels Driven): 1500 W
4 Ohm Dynamic (Both Channels Driven): 2250 W
8 Ohm Continuous (Both Channels Driven): 800 W
4 Ohm Continuous (Both Channels Driven): 1200 W | | Total Harmonic Distortion (THD) | Distortion: < 1% (typical), 1 kHz at full rated power | | Signal to Noise Ratio | Signal to Noise: 100 dB, (A-weighted, 20 Hz to 20 kHz) | | Input Sensitivity | 1.2 Vrms
3.9 Vrms | | Voltage Gain | 36.5 dB | | Output Circuit | Class D | | Power Requirements | Power Requirements: 1/8 power at 4 ohms
100 VAC: 6.2 A
120 VAC: 5.6 A
230 VAC: 3.2 A | | Frequency Response | 20 Hz to 20 kHz (+0.7 dB, -0.8 dB) | | Headroom | Dynamic Headroom: 2.73 (4 ohms) | | Damping Factor | 100 | | Input Impedance | 20 kOhms (balanced)
10 kOhms (unbalanced) | | Maximum Input Level | +23.5 dBu | | Input Connectors | 3-pin XLR/F
1/4" TRS, balanced | | Output Connectors | NL4 (Channel 1 - 1+/-, Channel 2 - 2+/-), binding posts | | Amplifier Protection | Short circuit
Open circuit
Thermal
RF protection
Load protected against DC faults | | Front Panel Controls and Indicators | 2 x rotary encoders
3 x operational buttons (HOME, ENTER, EXIT)
2 x green signal LEDs, indicate signal presence
2 x red A/D clip LEDs, indicate input over-drive and/or amplifier current clipping
Blue power LED ring, AC on
256 x 128 Pixel LCD: 2.1 x 1.0" / 5.4 x 2.5 cm | | Digital Signal Processing (DSP) | High Pass Filter: 4th order LR, adjustable frequency 20 Hz to 4 kHz
Low Pass Filter: 4th order LR, adjustable frequency 60 Hz to 4 kHz
4-Band PEQ: Variable frequency, gain, and bandwidth
Peak Limiter: Power, aggressiveness, and impedance selection
Delay: 50 ms maximum | | Approvals | UL, CE, RoHS/WEEE compliant | | Dimensions (H x W x D) | 3.5 x 19.0 x 10.2" / 8.9 x 48.3 x 25.9 cm | | Weight | 13.2 lb / 6.0 kg | | | | Package Weight | 19.05 lb | | Box Dimensions (LxWxH) | 23.386 x 14.409 x 5.984" |
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