美国皇冠CROWN:DSi-4000音频功率放大器

美国皇冠CROWN DSi-4000 音频功率放大器



* 每个通道的阻抗为4Ω时提供500W，800W，800W 和 1200W三种规格

* 自动预设 JBL 主流影院扬声系统，使设置变得轻松快捷

* 直观的前面板 LCD 显示屏可以通过预设的 JBL 影院扬声系统为安装人员提供安装进程指导

* 内置数字处理器包含了分频，EQ 滤波，延时以及输出限制功能

* 可使用 USB 接口连接计算机通过 HiQnet 系统 Architect 软件对系统进行快速的安心和设置

* 设备背板上的 HD-15接头使得 Dsi 功率放大器和新型的 Dsi-8M 系统监听之间的输入/输出连接

* 通用的开关电源

* 所有的产品均占用2U 的新机柜空间并且重量全部低于8.6公斤

* 挡板接线输出，可拆卸的凤凰插口



输出功率

DSi 1000

立体声（每个通道）

2Ω 700W

4Ω 500W

8Ω 275W



桥接单声道

4Ω 1400W

8Ω 1000W



DSi 2000

立体声（每个通道）

2Ω 1000W

4Ω 800W

8Ω 475W

桥接单声道

4Ω 2000W

8Ω 1600W



DSi 4000

立体声（每个通道）

2Ω 1600W

4Ω 1200W

8Ω 650W



桥接单声道

4Ω 3200W

8Ω 2400W





灵敏度



DSi 1000

8Ω额定输出 2.35V

4Ω额定输出 2.24V

2Ω额定输出 1.88V



DSi 2000

8Ω额定输出 3.09V

4Ω额定输出 2.84V

2Ω额定输出 2.24V



DSi 4000

8Ω额定输出 3.61V

4Ω额定输出 3.47V

2Ω额定输出 2.84V





技术参数

1kHz，额定８Ω电压增益输出

DSi 1000: 26 dB

DSi 2000: 26 dB

DSi 4000: 26 dB

频率响应 ±0.25 dB 从 20Hz 到 20kHz, 1W4Ω

相位响应 (1W, 20Hz-20kHz) ±15°

负载阻抗 适用于全部类型负载。额定 2 至 8Ω 立体声模式，４至16Ω 桥接单声道模式

阻尼系数 从20Hz 到 500Hz 优于500

信噪比（在标称８Ω功率，１Hz之下） 105 dB（A 计权）

输入级 平衡输入并使用精度为１％的电阻器

通道间串音 >80 dB 低于额定功率，20 Hz 到 1kHz

共模抑制比 (CMR) >45 dB 从 20 Hz 到 1 kHz

输入阻抗 20 kΩ 平衡; 10 kΩ, 非平衡

大输入信号 +22dBu 典型值

交流线路电压以及可用频率范围 100V, 120V-240V, 50/60 Hz

交流线路电流

DSi 1000: 6.6A

DSi 2000: 6.9A

DSi 4000: 8.0A

闲置状态 <90W

操作温度 0°C-40°C, 95% 相对湿度 (无凝露)



Engineered from the Ground up for unmatched quality and performance, the Crown?DSi Series of power amplifiers offers four models of 500W, 800W, 1,200W, and 2,100W per channel at 4 Ohms. Onboard Digital signal processing includes crossovers, EQ filters, delay and output limiting. Rear panel HD-15 connector provides easy Input/Output connectivity between DSi amplifiers and the new DSi-8M System Monitor. At the touch of a button, Crown's DSi cinema amplifiers deliver perfectly matched performance with each award-winning JBL ScreenArray?system, making this the ultimate cinema solution.



Output Power:

2 Ohm Dual (per channel): 1,000W

4 Ohm Dual (per channel): 800W

8 Ohm Dual (per channel): 475W

4 Ohm Bridge-Mono: 2,000W

8 Ohm Bridge-Mono: 1,600W

Features:



Includes three models of 500W, 800W, and 1200W per channel at 4 Ohms

Automatic presets for popular JBL cinema speaker systems for quick, easy configuration

Intuitive front-panel LCD screen guides installers through setup

Onboard Digital signal processing includes crossovers, EQ filters, delay, and output limiting

Computer connectivity via USB allows fast setup and configuration with HiQnet?System Architect?software

Rear-panel HD-15 connector provides easy Input/Output connectivity between DSi amplifiers and new DSi-8M System Monitor

Switch-mode universal power supply

All products fill 2U Rack Spaces and weigh under 19 pounds

Barrier strip outputs, removable Phoenix-style input

Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specifications

Specifications:



Frequency Response (at 1 Watt into 4 Ohms, 20Hz - 20 kHz): +0/? dB

Signal to Noise Ratio (below rated 8-Ohm power at 1 kHz, A-weighted): 100 dB

Damping Factor (8 Ohm): 20 Hz to 400 Hz: > 500

Input Stage: Input is electronically Balanced and employs precision 1% resistors

AC Line Current: DSi 1000: 11.56A,DSi 2000: 11.93A, DSi 4000: 11.75A.At idle: Draws no more than 45 Watts.

Crosstalk (below rated power) 20 Hz to 1 kHz: > 70 dB

Input Impedance (nominal): 20 kilohms Balanced, 10 kilohms Unbalanced

Load Impedance (note: safe with all types of loads):Dual: 2-8 Ohms (4-8 Ohms in DSi 1000 A1 100V versions)Bridge Mono: 4-16 Ohms (8-16 Ohms in DSi 1000 A1 100V versions)

Voltage Gain (at 1 kHz): DSi 1000: 30.5 dB, DSi 2000: 32.9 dB, DSi 4000: 34.2 dB

Sensitivity (at 8 Ohm rated output): 1.4V

Operating Temperature: 0?C to 40?C at 95% relative humidity (non-condensing)

AC Line Voltage and Frequency Configurations Available (?10%): 100V, 120V?40V, 50/60 Hz

Ventilation: Flow-through ventilation from front to back

Cooling: Heat sinks and proportional-speed fan

Dimensions: Width, Height, Depth (behind mounting surface):EIA Standard 19" W (EIA RS-310-B) x 3.5" (8.9 cm) H x12.25" (31.1cm) D

Net Weight:DSi 1000, DSi 2000, DSi 4000: 19 lb (8.6 kg).DSi 6000: 24 lb (10.9 kg).

Shipping Weight:DSi 1000, DSi 2000, DSi 4000: 22 lb (10.0 kg).DSi 6000: 30 lb (13.6 kg).




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