If you are looking for Small PA amplifier circuit using transistors. This may be first choice for you. The output is 100 watts power, very loud and very durable, easy to builds. Is is real? Read more
See STK4231II and build a 2 channel OCL 100W stereo audio amplifier circuit with PCB layout. It’s easy, small without adjusting, and cheap. Read more
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. […] Read more
Although you can make an amplifier with good sound quality. Understanding these things is very useful as well. Read more
This is inverter 12V to 220V that 100W output using all BC557 PNP and 2N3055 transistors so easy to build and cheaper, we use 12V 10Ah and transformer 5A up. […] Read more