Features

  • 峰值输出功率高,GXD4功率可达1600W,GXD8功率高达4500W。
  • 功率等级可以满足最流行的扬声器的需要,并且经过优化,可以让4Ω和8Ω扬声器系统获得真正的最大动态余量。
  • 带通用电源的D类放大器输出级,具备卓越的性能和效率。
  • 内置强大的扬声器处理功能。包括高通和低通滤波器、4波段参量均衡、限幅和延时功能。
  • GXD处理放大器现已支持E系列娱乐系统DSP调谐功能:

- 访问GXD Firmware Updater下载更新

  • 大尺寸LCD显示屏简化放大器设置,指示放大器工作状态。
  • 输入:并行XLR和1/4-inchTRS接头,提供方便的环通功能,同时兼容各种信号源。
  • 精确的旋转编码器可以控制增益和DSP参量。
  • 输出:专业接线柱及NL4接头(兼容NL2接头)为单双功放扬声器提供外部连接。
  • 自动数字功率限制功能,可以保护放大器,避免因升温和过载而损坏。
  • 可调节扬声器保护功能,以匹配扬声器的功率和阻抗。
  • 前面板LED灯指示有无信号、输入过载和放大器削波。
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-inch 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-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.
Dimensions (HWD) 3.5-inch (2 RU) × 19-inch × 10.2-inch (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

 

All specifications are subject to change without notice.