美国皇冠CROWN:XTi-1000 数字音频功率放大器_功放,舞台功放,音频功率放大器尽在香港百利恒国际有限公司

产品类别：功放

产品名称：美国皇冠CROWN:XTi-1000 数字音频功率放大器

产品价格：面议
关键词：功放,舞台功放,音频功率放大器
产品说明：香港百利恒国际有限公司提供美国皇冠CROWN:XTi-1000 数字音频功率放大器产品信息,包括美国皇冠CROWN:XTi-1000 数字音频功率放大器产品详细介绍,美国皇冠CROWN:XTi-1000 数字音频功率放大器产品参数，3D图库等信息，显示的美国皇冠CROWN:XTi-1000 数字音频功率放大器图仅为参考,购买请以美国皇冠CROWN:XTi-1000 数字音频功率放大器实物为准.

美国皇冠CROWN:XTi-1000 数字音频功率放大器技术参数

皇冠CROWN XTi-1000 数字音频功率放大器

8欧姆 275W 4欧姆 500W 2欧姆 700W 8欧姆桥接 1000W 4欧姆桥接 1400W

产品说明及参数:
XTI 1000
8欧姆 275W 4欧姆 500W 2欧姆 700W 8欧姆桥接 1000W 4欧姆桥接 1400W
XTI 2000
8欧姆 475W 4欧姆 800W 2欧姆 1000W 8欧姆桥接 1600W 4欧姆桥接 2000W
XTI 4000
8欧姆 650W 4欧姆 1200W 2欧姆 1600W 8欧姆桥接 2400W 4欧姆桥接 3200W

特点：
内置分频、均衡、限幅、延时和次谐波合成器等数字处理能力
可通过LCD显示屏，直接调较扬声器预置参数
准确、低失真及无染色的音质
先进及周密的电路保护设计，可确保短路、开路、直流电冲击，误区匹配，机器温度过热，高频信号过载及内部元器件损坏等鼓掌
满足各种类型负载阻抗及模式连接，如：2Ω，4Ω和8Ω阻抗，立体声/单声道桥接输出连接
安全可靠的开关电源供电
轻巧及坚固的外型、各款功放净重只有7.7公斤和2U高度标准机箱体积
方便及易接插件，设有SPEAKON插座和接线柱端子输出件，XLR卡农输入接头及扬声器并联接件
每个通道的“状态”都能在LCD显示屏清晰监控
技术规格:

电压增益: 在1kHz、8Ω额定负载输出时，额定 XTi1000为35.5dB, XTi2000为32.9 dB, XTi4000为34.2 dB
频率响应: 20Hz-20 kHz ±0.25dB(1w/4Ω负载)
相们响应: 满足各种类型负载,立体声模式的负载范围为2-8Ω,单声道桥接的负载范围为4-8Ω
输入灵敏度: 1.4V
信号噪声比: A计权105dB(低于1 kHz额定输出功率, 8Ω负载)
阻尼系数: ＞500(20Hz-500Hz)
通道间串音: ＞80dB (20Hz- 1kHz,额定输出功率)
共模抑制比(CMR): ＞45dB (20Hz- 1kHz)
输入级: 电子平衡输入,采用1％精度的电阻器
最大输入信号: +22dBu,典型值
交流电源电压和频率:100V、120V、220V-240V，50Hz- 60Hz
交流电源电流： XTi1000：6.5A, XTi2000：6.9A, XTi4000：8.0A,
空载消耗不大于: 90w
工作环境温度: 0℃-40℃,95％相对湿度(无凝露)
DSP数字信号处理部分

均衡器EQ: 每通道有一个4段参数均衡器, ±12dB提升衰减,还可以调整滤波器两边的斜率
滤波器: 每通道有一个高通和低通滤波器,每个倍频程的斜率为1/6,1/12,1/18,1/24,Butherworth型
延时装置: 作为驱动器的信号调整,总延时为50ms
次谐波合成器: 增加低频能量
输出限幅器: 防止功率输出信号削波
预置: 10个扬声器预置
前面板控制和显示器

电平控制: 每通道一个旋转音量控制器
电平开关: 控制功放电源
Sec/Prev/Next按钮:靠近LCD显示屏的三个按钮用于存取菜单及选择项目
LCD显示屏: 液晶体显示,显示扬声器预置
信号指示器: 每通道一个绿色LED,输入端信号电平非常低时或LED闪亮时立即须要检查连接电缆及其它故障
-10dB指示器: 输出信号超过信号削波电平之下-10dB时,绿色LED闪亮
-20dB指示器: 输出信号超过信号削波电平之下-20dB时,绿色LED闪亮
准备指示器: 功放运行准备完成后,每个通道一个绿色LED点亮
削波指示器: 每个通道的一个红色信号超载输出时,LED点亮可闻失真的门限值时
过热/故障指示器: 机器过热或发生故障时,每个通道的一个红色LED点亮
后面板控制和连接器

交流电电源连接器: NEMA5-15P(15A)
输入连接器: 每通道一个 XLR插座
并联/输出连接器: 每通道一个从输出连接器到其它功放的输入
输出连接器: 2个Neutrik Speakon NL4MP扬声器输出连接器(NL4FC为公插座),1个扬声器插座用于连接通道1和通道2输出,采用单根4芯电缆,还有2个接线柱输出端子(与扬声器插座并联连接)
HiQnet USB连接器: B型,连接HiQnet 网络
保护

　　XTi系列功放设有负载短路保护、负载开路保护、误区匹配保护、电源过载（过压）保护、机器温度过热保护、链路损坏保护、输入电流过载保护、防RF射频窜音保护等有效的各种保护措施。还有保护扬声器装置的防止直流输入/输出、防止直流偏置输出的电源开/关的瞬间冲击保护等。

结构

坚固结构机箱
冷却散热：具有前后对流的变速风扇
体积： 19″EIA标准机箱
8.9cm(高)×31.11cm(深)×48.3cm(宽)
净重: 7.7kg
包装重量: 9.5kg

Power Amplifier (1400 Watts)
Integrated proprietary DSP. Accurate, uncolored sound. Advanced protection circuitry. Switch-mode universal power supply.
The XTi Series of Crown amplifiers are professional tools designed and built for portable PA applications. The series includes 3 models which are identical except for output power: XTI 1000, 2000 and 4000. All are rugged and lightweight, and offer unmatched value in their class.
XTi-Series amplifiers feature an LCD screen with DSP speaker presets for crossover frequencies, EQ, limiting, delay, and a subharmonic synthesizer. Other features include a switch-mode universal power supply, useful function indicators, proportional-speed fan assisted cooling, XLR inputs, Speakon and binding-post outputs, short-circuit protection and more
With their powerful, reliable performance, XTi-Series amps easily handle 2-Ω loads and are capable of chest-thumping lows. Plus, your investment in an XTI-Series amplifier is backed by Crown's 3-Year, No-Fault, Fully Transferable Warranty.

Features:
Integrated proprietary DSP with LCD front panel display
Accurate, uncolored sound with very low distortion for the best in music and voice reproduction
Advanced protection circuitry guards against: shorted outputs, open circuits, DC, mismatched loads, general overheating, high-frequency overloads and internal faults
Extremely versatile, handling a wide range of speaker impedances and outputs
Switch-mode universal power supply
Speaker presets for crossover frequencies, EQ, limiting, and delay
All products fill 2U rack spaces and weigh under 17 lbs.; weight sets a new standard in lightweight amps (20% less)
Speakon and binding post outputs, XLR inputs and loop-thrus
Comprehensive LED status per channel
3-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specifications
Technical Info
XTi 1000 Power:
8 Ω: 275W
4 Ω: 500W
2 Ω: 700W*
8 Ω bridged to mono: 1000W
4 Ω bridged to mono: 1400W*
·With 1% THD.
Voltage Gain at 1kHz, 8 Ω rated output:
XTi 1000: 30.5 dB
XTi 2000: 32.9 dB
XTi 4000: 34.2 dB
Frequency Response: +/-0.25 dB from 20 Hz to 20 kHz at 1 watt into 4 Ω
Phase Response (at 1 watt, 20 Hz to 20 kHz): +/-15 degrees
Load Impedance: Safe with all types of loads. Rated for 2 to 8 Ω in Stereo mode, 4 to 16 Ω in Bridge-Mono mode
Sensitivity: 1.4V
Signal to Noise Ratio (below rated 1 kHz power at 8 Ω): 105 dB (A weighted)
Damping Factor: Better than 500 from 20 Hz to 500 Hz
Crosstalk: > 80 dB below rated power, 20 Hz to 1 kHz
Common Mode Rejection (CMR): > 45 dB from 20 Hz to 1 kHz
Input Stage: Input is electronically balanced and employs precision 1% resistors
Input Impedance (nominal): 20 k Ω, balanced;10 k Ω, unbalanced
Maximum Input Signal: +22 dBu typical
AC Line Voltage and Frequency Configurations Available: 100V, 120V, 220-240V 50/60 Hz
AC Line Current:
XTi 1000: 6.5A
XTi 2000: 6.9A
XTi 4000: 8.0A
At Idle: Draws no more than 90 watts
Operating Temperature: 0 degrees C to 40 degrees C at 95% relative humidity (non-condensing)
DSP Section
EQ: 4-band paragraphic per channel, boost/cut