soundpaul圣保罗VDA系列数字会议功放家庭影院K歌专业多通道后级功放KTV包房室外演出放大器

型号MODEL

VDA2180

VDA2250

VDA2350

VDA2450

VDA4180

VDA4250

VDA4350

VDA4450

VDA8180

VDA8250

VDA8350

8Ω立体声输出功率/ 8Ω Stereo Output Power

200W

260W

390W

470W

200W

260W

390W

470W

200W

260W

390W

4Ω立体声输出功率/ 4Ω Stereo Output Power

380W

480W

750W

910W

380W

480W

750W

910W

380W

480W

750W

2Ω立体声输出功率/ 2Ω Stereo Output Power

600W

750W

1200W

1450W

600W

750W

1200W

1450W

600W

750W

1200W

8Ω桥接/ 8Ω Bridged

720W

950W

1400W

1600W

720W

950W

1400W

1600W

720W

950W

1400W

频响Frequency response(1W,8ohms)+0/-3dB

10Hz-20kHz

10Hz-20kHz

10Hz-20kHz

总谐波失真1KHz

0.02—0.05%

0.02—0.05%

0.02—0.05%

信噪比S/N rate

-100dB

-100dB

-100dB

阻尼系数Damping factor

＞600

＞600

＞600

分离度Crosstalk

＞70

＞70

＞70

输入灵敏度Input sensitivity

0.775V  1.4V  2.8V

0.775V  1.2V

0.775V  1.2V

输入阻抗Input impedance

>10KΩ    平衡或非平衡

>10KΩ    平衡或非平衡平衡或非平衡/balanced or unbalanced

>10KΩ    平衡或非平衡/balanced or unbalanced

输出类别Output circuitry

D类

D类

D类

面板控制Front panel control

交流电源开关；LED：电源（绿色）、

交流电源开关；LED：电源（绿色）、

交流电源开关；LED：电源（绿色）、

信号(绿色)-5 dB /-10dB/-20dB(绿色)、削波(橙色)、保护(红色)；音量控制器

信号(绿色)-4 dB /-7dB/-10dB/-15dB(绿色)、削波(橙色)、保护(红色)；音量控制器

信号(绿色)、削波(橙色)、保护(红色)；音量控制器

AC power switch; LED: power (green),

AC power switch; LED: power (green),

AC power switch; LED: power (green),

Signal (green) -5 dB / -10dB / -20dB (green), clipping (orange), protection (red); volume control

Signal (green) -4 dB / -7dB / -10dB / -15dB (green), clipping (orange), protection (red); volume control

Signal (green) -4 dB / -7dB / -10dB / -15dB (green), clipping (orange), protection (red); volume control

后板控制Rear panel control

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)；

输入模式：桥接 (红色)、并行（黄色）、立体声(绿色)、灵敏度（无）

功能选择拨码开关：桥接 、并行、立体声、灵敏度

Input Mode: bridging (red), parallel (orange), stereo (green); sensitivity: 0.775V (red), 1.4V (orange), 2.8 (green);

Input Mode: bridge (red), parallel (yellow), stereo (green), sensitivity (no)

Input Mode: bridge, parallel, stereo, sensitivity

输入接口Input connector

凸/凹端XLR；RCA同芯座

凤凰插头Phoenix plug

凤凰插头Phoenix plug

输出接口Output connector

红黑接线柱； Speakon

Speakon

Speakon

冷却Cooling

2个风扇，气流从侧板左边向右边通风，无级风速，根据温度而定。

2个风扇，气流前面板向后通风，两级风速，根据温度而定。

2个风扇，气流前面板向后通风，无级风速，根据温度而定。

2 fans, airflow from the left panel to the right panel, Promise wind speed, according to the temperature.

2 fans, airflow from the front panel to rear panel, 2-set wind speed, according to the temperature.

2 fans, airflow from the front panel to rear panel, Promise wind speed, according to the temperature.

产品尺寸Product dimension(mm)

483mm×295mm×45mm

483mm×320mm×45mm

483mm×420mm×45mm