25w audio amplifier with tube schematic diagram


Posted on Feb 4, 2014

The 25 watt power audio amplifier circuit powered using tube circuit. The tube TR will amplify the input about 20 watt, dual Trafo should be gain up to 40w watt. You can use wide voltage range 12v 20V to supply the power tube.


25w audio amplifier with tube schematic diagram
Click here to download the full size of the above Circuit.




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