All Electronics Hobby Projects. You can build quickly them when have free times. Most cheap and easy to find parts.
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. [...]
This digital echo stereo mixer project is circuits pioneering in echo circuit before using IC-BBD to the digital system. By using digital echo circuit
This 100W amplifier circuit by transistors, but very well OCL amplifier schematic.Use transistor MJ15003,MJ15004 as main. Power supply +38V 0 -38V 3A. [...]
2 channel OCL 100W stereo audio amplifier circuit. It uses STK4231 IC products to create a simple one all PCB, small and best economical.
This is 100 watts OTL amplifier circuit using transistor,For small PA system, in the village. The sound is very loud and very durable,easy to builds better [...]
The first simple mosfet amplifier circuit with PCB, It most complete circuit. As a 60 watt power amplifier, this is sufficient for normal use in my home. [...]
This is 12V 10A power supply circuit can use it instead of normal 12V car battery. But save and easy to use when you are in your house.