功放扩大机瓦数电平vp放大增益dbu速查表

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1、功放擴大機瓦數/電平/Vp/放大增益dBu速查表黃英哲/HunkHuang用法2:“Vrms等同dBu”扣你設定的GAIN值,等於你前一級DSP應該給AMP的滿電平量單元阻抗瓦數VrmsVrms等同dBuVp電流用法1:依照擴大機在8ohm狀態下出86021.9129.03312.74力,與你的喇叭功率,查表得到VPL臨界88025.3030.28363.16812030.9832.04443.87點815034.6433.01494.33818037.9533.80544.74820040.0034.26575.00824043.8235.05625.4

2、8825044.7235.22635.59830048.9936.02696.12832050.6036.30726.32835052.9236.69756.61836053.6736.81766.71840056.5737.27807.07848061.9738.06887.75850063.2538.23897.91860069.2839.03988.66864071.5539.311018.94870074.8339.701069.35872075.8939.821079.49880080.0040.2811310.00896087.6441.071

3、2410.958100089.4441.2412611.188120097.9842.0413912.2581300101.9842.3814412.7581400105.8342.7115013.2381500109.5443.0115513.6981600113.1443.2916014.1481800120.0043.8017015.0082000126.4944.2617915.8182100129.6144.4718316.2082200132.6644.6718816.5882400138.5645.0519617.3282600144.224

4、5.3920418.0382800149.6745.7221218.7183000154.9246.0221919.3683200160.0046.3022620.0083600169.7146.8124021.2184000178.8947.2725322.36舉例說明:單元阻抗瓦數VrmsVrms等同dBuVp電流82400138.5645.0519617.32兩者加總得45dB兩者加總約33.8dB單元阻抗瓦數VrmsVrms等同dBuVp電流818037.9533.80544.74FP13000上半圖:ohm6500W那他的工作電壓是8ohm時同樣

5、電壓,但是由於電晶體特性,電流會放大,以推動2ohm的系統!等同於8ohm2350w時的狀況!因此查表得到如上對應此表為2400wFP13000是2350略有差別,但可以連結無誤2400W8歐,VP電壓為196V(195V)此時放大值到45.05dBu此值扣除輸入電壓(換為dBu值)後,便得功放增益值設定下半圖,設定FP13000工作在較低瓦數狀況下,VP電壓為54V此時放大值到33.8dBu此值扣除輸入電壓(換為dBu值)後,便得功放增益值設定的組合!黃英哲/HunkHuangQQ:944699309winniefather@gmail.com