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QSC GXD8 Professional Power Amplifier with DSP Processing

QSC GXD8 Professional Power Amplifier with DSP Processing
  
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QSC

QSC GXD8 Professional Power Amplifier with DSP Processing

 GXD8 Professional Power Amplifier 


The GXD Series amplifiers are ideal for portable sound reinforcement applications and installations with demanding DSP requirements and flexibility at a cost effective price. This high performance line consists of two amplifiers, the GXD4 and GXD8, each providing enormous Class-D power in a lightweight and efficient package.  The universal switchmode power supply helps reduce the weight, increase efficiency, and ensures rock-solid continued operation even with poor power conditions.  The addition of on-board DSP processing with an easy-to-use interface offers powerful tools like Crossover and EQ filters, Delay, and Power Limiting that allow the user to configure the amplifier and maximize the performance of their loudspeakers.   The GXD Series amplifiers are engineered to meet any demanding application and provide excellent power and legendary QSC reliability, in an efficient, lightweight, and flexible package; bottom line, the GXD amplifiers provide outstanding value!

 

 GXD8 Professional Power Amplifier 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.

* 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.

 



SPECIFICATIONS

GXD 4

GXD 8

8Ω dynamic, both channels driven

 

600 watts per channel

 

1500 watts per channel

4Ω dynamic, both channels driven

800 watts per channel

2250 watts per channel

8Ω continuous, both channels driven

400 watts per channel

800 watts per channel

4Ω continuous, both channels driven

600 watts per channel

1200 watts per channel

Distortion (typical)

1 kHz at full rated power

< 1% THD 

Signal to Noise 

(A weighted, 20 Hz–20 kHz)

100 dB 

Input Sensitivity

1.2 Vrms, 3.9 Vrms 

Maximum Voltage Gain

33.5 dB

36.5 dB

Output Circuitry

Class D

Power Requirements

1/8 power at 4Ω

- 100 V AC

3.4 A

6.2 A

- 120 V AC

2.9 A

5.6 A

- 230 V AC

1.6 A

3.2 A

Frequency Response 

(20 Hz–20 kHz)

+0.7 dB, -0.8 dB

Dynamic Headroom (4Ω)

1.25 dB

2.73 dB

Damping Factor (8Ω)

100

Input Impedance

20 kΩ (balanced), 10 kΩ (unbalanced)

Maximum Input Level

+23.5 dBu

Input Connectors 

(each channel)

3-pin XLR/F / 1/4" TRS, balanced

Output Connectors 

(each channel)

NL4, binding posts

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" × 1.0", 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.

Dimensions (HWD)

3.5" (2 RU) × 19" × 10.2" (89 mm × 483 mm × 259 mm)

Weight (Net)

11.3 lb (5.1 kg)

13.2 lb (6.0 kg)

Weight - Shipping

15.4 lb (7.0 kg)

17.3 lb (7.8 kg)

Agency Approvals

UL, CE, RoHS/WEEE compliant

Carton and Contents

Power cable and quick start guide

Approximate Weight 10.0kg

Free Shipping if your order totals $100 or more.

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