Thanks audioguru,well the heatsinks i made them from a piece of anuminium plate i got from a tool maker and cutted it 135mm by 135mm its thickness is 10mm,then inserted a 2n3055 in a piece of cardboard and cutted its outline with a scissors which i used as a jig to draw the transistors on the...
HI to all,i have build the 500w inverter and works perfectly i tested it to see its maximum capability and deliivered almost 700w from it,also if you need it more powerful dont use 2N3055 transistors but use 2N5886 as you gain about 40% more power on the whole,i took some pictures of the...