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型号MODEL
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VDA2180
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VDA2250
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VDA2350
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VDA2450
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VDA4180
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VDA4250
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VDA4350
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VDA4450
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VDA8180
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VDA8250
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VDA8350
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8Ω立体声输出功率/ 8Ω Stereo
Output Power
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200W
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260W
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390W
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470W
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200W
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260W
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390W
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470W
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200W
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260W
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390W
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4Ω立体声输出功率/ 4Ω Stereo
Output Power
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380W
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480W
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750W
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910W
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380W
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480W
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750W
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910W
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380W
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480W
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750W
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2Ω立体声输出功率/ 2Ω Stereo
Output Power
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600W
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750W
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1200W
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1450W
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600W
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750W
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1200W
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1450W
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600W
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750W
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1200W
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8Ω桥接/ 8Ω
Bridged
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720W
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950W
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1400W
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1600W
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720W
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950W
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1400W
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1600W
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720W
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950W
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1400W
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频响Frequency response(1W,8ohms)+0/-3dB
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10Hz-20kHz
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10Hz-20kHz
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10Hz-20kHz
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总谐波失真1KHz
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0.02—0.05%
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0.02—0.05%
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0.02—0.05%
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信噪比S/N rate
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-100dB
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-100dB
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-100dB
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阻尼系数Damping factor
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＞600
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＞600
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＞600
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分离度Crosstalk
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＞70
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＞70
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＞70
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输入灵敏度Input sensitivity
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0.775V 1.4V
2.8V
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0.775V 1.2V
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0.775V 1.2V
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输入阻抗Input impedance
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>10KΩ 平衡或非平衡
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>10KΩ 平衡或非平衡平衡或非平衡/balanced
or unbalanced
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>10KΩ 平衡或非平衡/balanced or
unbalanced
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输出类别Output circuitry
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D类
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D类
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D类
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面板控制Front panel control
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交流电源开关；LED：电源（绿色）、
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交流电源开关；LED：电源（绿色）、
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交流电源开关；LED：电源（绿色）、
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信号(绿色)-5 dB
/-10dB/-20dB(绿色)、削波(橙色)、保护(红色)；音量控制器
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信号(绿色)-4 dB
/-7dB/-10dB/-15dB(绿色)、削波(橙色)、保护(红色)；音量控制器
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信号(绿色)、削波(橙色)、保护(红色)；音量控制器
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AC power
switch; LED: power (green),
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AC power
switch; LED: power (green),
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AC power
switch; LED: power (green),
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Signal
(green) -5 dB / -10dB / -20dB (green), clipping (orange), protection (red);
volume control
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Signal
(green) -4 dB / -7dB / -10dB / -15dB (green), clipping (orange), protection
(red); volume control
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Signal
(green) -4 dB / -7dB / -10dB / -15dB (green), clipping (orange), protection
(red); volume control
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后板控制Rear panel control
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输入模式：桥接 (红色)、并行（橙色）、立体声(绿色)；灵敏度：0.775V(红色)、1.4V（橙色）、2.8(绿色)；
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输入模式：桥接 (红色)、并行（黄色）、立体声(绿色)、灵敏度（无）
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功能选择拨码开关：桥接 、并行、立体声、灵敏度
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Input Mode:
bridging (red), parallel (orange), stereo (green); sensitivity: 0.775V (red),
1.4V (orange), 2.8 (green);
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Input Mode:
bridge (red), parallel (yellow), stereo (green), sensitivity (no)
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Input Mode:
bridge, parallel, stereo, sensitivity
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输入接口Input connector
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凸/凹端XLR；RCA同芯座
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凤凰插头, , Phoenix plug
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凤凰插头Phoenix plug
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输出接口Output connector
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红黑接线柱； Speakon
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Speakon
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Speakon
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冷却Cooling
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2个风扇，气流从侧板左边向右边通风，无极风速，根据温度而定。
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2个风扇，气流前面板向后通风，两级风速，根据温度而定。
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2个风扇，气流前面板向后通风，无级风速，根据温度而定。
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2 fans,
airflow from the left panel to the right panel, Promise wind speed, according
to the temperature.
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2 fans,
airflow from the front panel to rear panel, 2-set wind speed, according to
the temperature.
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2 fans, airflow from
the front panel to rear panel, Promise wind speed, according to the
temperature.
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产品尺寸Product dimension(mm)
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483mm×295mm×45mm
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483mm×320mm×45mm
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483mm×420mm×45mm
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