40W transistor audio amplifier circuit with PCB
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.
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May 10, 2007
Variable power supply 0-30V 1A using transistors
Simple Variable power supply 0-30V 1A project. Use transistor boost current up to 1A. Adjust voltage out of 0-30V. No ICs. No Zener diode. But it is steady.
October 6, 2017
Voltage Regulator using Op Amp and Transistor
This is a 15V DC Regulator circuit at 400mA using IC-748 and 2N3055. Although it is an ancient circuit, but if you have the equipment ready. we may try to build it.
June 9, 2017
2N3055 Power Amplifier Circuit
2N3055 Power Amplifier Circuit
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!
February 13, 2017
3A adjustable voltage regulator using LM317-2N3055
High quality, 3A adjustable voltage regulator. Using LM317 and 2N3055 so easy and cheap. Adjust voltage in steps 3V, 6V, 9V, 12V. And In fine, 1.25V to 20V.
April 3, 2017
Inverter circuit, 12V to 220V at 500W
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,
April 11, 2007
50 watt Audio Amplifier Circuit using 2N3055
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. [...]
February 6, 2017