QSC GXD8 Digital Amplifier

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  • Regular price $1,229.00
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Features

  • High peak output power with up to 1600 watts from the GXD 4 and a whopping 4500 Watts from the GXD 8.
  • Power levels matched to the most popular loudspeakers and optimized for maximum real-world headroom into 4Ω and 8Ω speaker systems.
  • Class D output stage with a universal power supply for high performance and efficiency.
  • Extensive and powerful loudspeaker processing built in. Includes high and low-pass filters, 4-band parameteric EQ, limiting, and delay.
  • E Series Entertainment System DSP Tunings are now available for GXD processing amplifiers:

             - Visit the GXD Firmware Updater to download and update

  • Large LCD display simplifies amplifier setup and indicates amp status.
  • Inputs: Parallel XLR and 1/4-inch 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.

Specification

GXD 8
8Ω dynamic, both channels driven 1500 watts per channel
4Ω dynamic, both channels driven 2250 watts per channel
8Ω continuous, both channels driven 800 watts per channel
4Ω continuous, both channels driven 1200 watts per channel
Distortion (typical) < 1% THD 
1 kHz at full rated power
Signal to Noise 100 dB 
(A weighted, 20 Hz–20 kHz)
Input Sensitivity 1.2 Vrms, 3.9 Vrms 
Maximum Voltage Gain 36.5 dB
Output Circuitry Class D
Power Requirements 1/8 power at 4Ω
- 100 V AC 6.2 A
- 120 V AC 5.6 A
- 230 V AC 3.2 A
Frequency Response +0.7 dB, -0.8 dB
(20 Hz–20 kHz)
Dynamic Headroom (4Ω) 2.73 dB
Damping Factor (8Ω) 100
Input Impedance 20 kΩ (balanced), 10 kΩ (unbalanced)
Maximum Input Level +23.5 dBu
Input Connectors 3-pin XLR/F / 1/4-inch TRS, balanced
(each channel)
Output Connectors NL4, binding posts
(each channel) NL4 pinout:
•  Channel A on 1+, 1-; Channel B on 2+, 2-
•  Channel B on 1+, 1-
Amplifier and Load Protection Short circuit, open circuit, thermal, RF protection
Load protected against DC faults
Front Panel Controls and Indicators 2 × Rotary Encoders
3 × Operational buttons (HOME, ENTER, EXIT)
2 × Green Signal LEDs indicate signal presence
2 × Red A/D Clip LEDs indicate input over-drive and/or amplifier current clipping
Blue Power LED ring indicates AC on
2.12-inch × 1.0-inch, 256 × 128 pixel LCD
DSP Functions High-pass filter, 4th-order Linkwitz-Riley,
adjustable frequency 20 Hz to 4 kHz
Low-pass filter, 4th-order Linkwitz-Riley,
adjustable frequency 60 Hz to 4 kHz
4-band parametric EQ with variable frequency, gain, and bandwidth
Peak limiter with power, agressiveness, and impedance selection
Delay 50 msec max.
Product Dimensions (H×W×D) 89 × 483 × 259 mm
3.5 (2 RU) × 19 × 10.2 in
Carton Dimensions (H×W×D) 600 × 370 × 153 mm
23.6 × 14.6 × 6 in
Net Weight 6 kg / 13.2 lb
Shipping Weight 7.9 kg / 17.4 lb
Agency Approvals UL, CE, RoHS/WEEE compliant
Carton and Contents Power cable and quick start guide