Good transistor audio amplifier circuit, at 40 watts OCL RMS using 2N3055+MJ2955 is easy to build,and very inexpensive. To use Power Supply +35V -35V 2A.
We like a 2N3055 Power Amplifier Circuit. Although the it is the very ancient transistors, but it still have a lot of classic and very good sound. It is popular forever, very cheap, easy to find, easy to use. We recommended the 2N3055 power amplifiers list below!
This is inverter circuit, 12VDC to 220V 50Hz at 500W power.It easy to make and Low cost. using basic parts transistors 2N3055,IC-4047,
This is three Simple 50w OTL audio amplifier circuit by 2N3055, can build easy and cheap, It's durable and very loud sound , Not needed speaker Protection. [...]