Schematic Power Amplifier and Layout

Simple audio oscillator circuit diagram using BC559, BC549

Simple audio oscillator circuit diagram

Mini Wireless Video Transmitter Circuit Diagrams

Mini Wireless Video Transmitter Circuit Diagrams

Mini Wireless Video Transmitter Circuit Diagrams, DIY The wireless video, audio signal sender circuit, vhf wireless video transmitter, wireless video transmitter, WIRELESS TRANSMISSION, portable micro transmitter provides high quality stable video transmission. …. in this small black enclosure

400w Audio amplifier schema and layout
400w power amplifier schema and layout using 2SC2922, 2SA1216, BD140, BD139, TIP41c, 2N5401

PA 400w schema and layout

PA 400w using 2SC2922, 2SA1216, BD140, BD139, TIP41c, 2N5401

25W Audio Amplifier with Tube schematic diagram

25W Audio Amplifier schematic diagram

25W Audio Amplifier with Tube schematic diagram

Here 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.