CAR Radio transmitters to use in home, need a ham radio power supply DC-12V or high current 13.8V power supply with enough power out of 5A - 30A. [...]
See STK4231II and build a 2 channel OCL 100W stereo audio amplifier circuit with PCB layout. It's easy, small without adjusting, and cheap.
DC servo amplifier circuit, OCL Output 100w , use mosfet k134+j49 or Mosfet J162 + K1058, Output 112W at Speaker 8 OHM. Power Supply +56V/-56V 4A /Ch. [...]
Although you can make an amplifier with good sound quality. Understanding these things is very useful as well.
Do you know analog and digital difference? What are they? Both the words such as any audio or video is transformed into electrical signals. Why use them?