QSC GXD8 | เครื่องขยายเสียง 2 CH 4,500 วัตต์

รหัสสินค้า : GXD8

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37,800.00 ฿


42,000.00 ฿

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QSC GXD8 เครื่องขยายเสียง 2 CH 4,500 วัตต์

   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.

Features:

  • 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

SPECIFICATIONSGXD 4GXD 8Stereo Mode, watts per channel  8Ω dynamic, both channels driven

600 watts

1500 watts4Ω dynamic, both channels driven800 watts2250 watts8Ω continuous, both channels driven400 watts800 watts4Ω continuous, both channels driven600 watts1200 wattsDistortion (typical)

1 kHz at full rated power< 1% THD Signal to Noise (A weighted, 20 Hz–20 kHz)100 dB Input Sensitivity1.2 Vrms, 3.9 Vrms Maximum Voltage Gain33.5 dB36.5 dBOutput CircuitryClass DClass DPower Requirements: 1/8 power at 4Ω- 100 V AC3.4 A6.2 A- 120 V AC2.9 A5.6 A- 230 V AC1.6 A3.2 AFrequency Response (20 Hz–20 kHz)+0.7 dB, -0.8 dBDynamic Headroom (4Ω)1.25 dB2.73 dBDamping Factor (8Ω)100Input Impedance20 kΩ (balanced), 10 kΩ (unbalanced)Maximum Input Level+23.5 dBuInput Connectors (each channel)3-pin XLR/F / 1/4" TRS, balancedOutput 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 ProtectionShort circuit, open circuit, thermal, RF protection

Load protected against DC faultsFront Panel Controls and Indicators2 × 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 LCDDSP FunctionsHigh-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 - Shipping15.4 lb (7.0 kg)17.3 lb (7.8 kg)Agency ApprovalsUL, CE, RoHS/WEEE compliantCarton and ContentsPower cable and quick start guide

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