美国皇冠CROWN:XLS-402D 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:XLS-402D 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
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美国皇冠CROWN:XLS-402D 音频功率放大器技术参数

皇冠CROWN XLS-402D 音频功率放大器

XLS402包含着一系列优异特性与一流的可靠性能。每个通道上的高通滤波器由三档选择，包括（30Hz/15Hz/关闭）。用于全频音箱时，可以选择30Hz或15Hz，用来防止无用的超低频信号过载低音单元。用于超低音时，可以关闭。
采用金属封装的输出器件，虽然它比其他厂家使用的塑封输出器件贵的多，但是它的效率和可靠性很高。
采用先进的设备检测了每个器件的功率曲线和峰值功率处理能力，然后刷选和配对。
采用坚固的全钢质机壳，并配置高效强制式风扇以免过分热量聚积。
功率：2×300W/8Ω 2×450W/4Ω 1×900W/8Ω
输入灵敏度XLS402/402TX: 1.025V满负荷分配给4Ω负载
频率响应（从20Hz-20KHz）
XLS402/402TX: ±0.75dB
相位响应（在1W时）
XLS 402/402TX: 在10Hz时，-10°
在20KHz时，+19°
信噪比（20Hz-20KHz）
XLS 402/402TX: >100dB（A加权，在满负荷工作时）
总谐波失真（THD）
XLS 402/402TX: <0.15%（在满负荷输出时，从20Hz-1KHz）
互调失真（IMD）（4: 1时，在60Hz和7KHz）额定功率下，输出值为-40dB时

XLS 402/402TX: <0.3%
Crown remains at the front of the power amp pack with their XLS Series!
570W/ch @ 2 Ω, 450W/ch @ 4 Ω, 300W/ch @ 8 Ω, 1140W bridged mono @ 4 Ω, 600W bridged mono @ 8 Ω. Designed to provide the quality, power, and reliability you expect from other Crown amps with many of the same controls and features for a much friendlier price.

Features sophisticated protection circuitry (from shorted, open, or mismatched loads, input and high frequency overloads), 5-way fault indicator, red LED on each channel that turns on when distortion becomes audible, green signal-present LED that flashes when the level is extremely low (indicating cabling problems), and detented level controls. Mode select switch for stereo or bridged; 3-speed fan; and electronically balanced XLR inputs; touchproof binding post and Speakon outputs; all in a rugged steel chassis designed to handle serious road use.

Crown XLS 402D Power Amplifier Specifications:
Sensitivity (volts RMS) for full rated power at 4 Ω: 1.25 V
Frequency Response (at 1 watt) 22 Hz to 20 kHz: +0 dB, —0.8dB
Signal-to-Noise Ratio (20 Hz to 20 kHz) A-weighted, below rated power: >98 dB. No weighting, below rated power: >93 dB.
Total Harmonic Distortion (THD): <0.5%.
Intermodulation Distortion (IMD): (60 Hz and 7 kHz at 4:1) from full rated output to —40 dB: < 0.3%.
Damping Factor (8 Ω) 10 Hz to 400 Hz: >200.
Crosstalk (below rated power)_at 1 kHz: —76 dB. at 20 kHz: —58 dB.
Input Impedance (nominal): 20 kilΩ balanced, 10 kilΩ unbalanced.
Load Impedance: Rated for 2 to 8 Ω per channel in Stereo, 4 to 8 Ω in Bridge Mono
AC Line Voltage and Frequency Configurations Available (±10%): 120 VAC 60 Hz, 100 VAC 50/60 Hz, 220 VAC 50 Hz, and 230-240 VAC
29.0 lbs.
Crown XLS 402D Power Amplifier Features:
Features sophisticated protection circuitry
5-way fault indicator
Red peak clip LED on each channel
Green signal-present LED that flashes when the level is extremely low
Detented level controls
Mode select switch for stereo or bridged
3-speed fan
Electronically balanced XLR inputs
Touchproof binding post and Speakon outputs
All in a rugged steel chassis designed to handle serious road use
3-year no-fault warranty
Crown amps are the royalty of the pro audio world. Order now!