GXD8
专业功率放大器
产品特点
- 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.