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|Description:||usilvatel za manqcy-400W|
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|symamp.pdf||Construction notes for the symmetrical 400 watt amplifier
Introduction The symmetrical amplifier is an update of one of my designs, which appeared in the Australian electronics magazine Silicon Chip in June 1994. The main changes made in this design was, the addition of a clipping detector circuit and bias circuit modifications for the use of International Rectifier HEXFET MOSFET's. Later modifications where made to the error amp and VAS stages which improved the overall sound of the amplifier. Tools you will need to complete the construction of this module A good temperature controlled soldering Iron Resin core 40/60 solder A mini drill or a drill press, which can handle drill, bit sizes down to 0.6mm A small flat blade screwdriver and 1 point Philip's screwdriver. An electric hand drill Pre-cut and drilled Aluminium right angle bracket, 196mm long, 3mm to 5mm thick. To mount the Mosfets onto. The Error Amp Stage The first stage is what I call an asymmetrical input error amplifier. It|
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