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:: Home » Cheap Amps

Cheap Amps

100 watts OTL amplifier circuit using transistor MJ15003-MJ15004

Last Updated on: October 31, 2020 by Apichet Garaipoom
100 watts OTL Power Amplifier circuit using transistors

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

Categories Amplifiers Tags OTL Amplifier Circuits, Cheap Amps, 100W amps 25 Comments

STK4231II 2 channel 100w stereo audio amplifier circuit

Last Updated on: April 24, 2023 by Apichet Garaipoom
STK4231II stereo audio amplifier circuit

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

Categories Amplifiers Tags Cheap Amps, Stereo Amplifiers, 100W amps 44 Comments

100w amplifier circuit with PCB

Last Updated on: July 16, 2021 by Apichet Garaipoom
100w amplifier circuit with PCB - Electronic Projects

This 100W amplifier circuit by transistors, but very well OCL amplifier schematic.Use transistor MJ15003,MJ15004 as main. Power supply +38V 0 -38V 3A. […] Read more

Categories Amplifiers Tags Transistor Amps, 100W amps, Cheap Amps 22 Comments

TDA2030 transistor amplifier circuit with PCB

Last Updated on: July 6, 2022 by Apichet Garaipoom
TDA2030 transistor amplifier project

Relatively easy to build up to 30W Amp OTL by TDA2030 transistor is packed into this project.the power dissipation of 20W at 8 ohm or 30W at load 4 ohm Read more

Categories Amplifiers Tags TDA2030, Cheap Amps, Small Amplifiers, TIP41 23 Comments

40W transistor audio amplifier circuit with PCB

Last Updated on: April 14, 2022 by Apichet Garaipoom
40 watts transistor 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. Read more

Categories Amplifiers Tags MJ2955, OCL Power Amplifiers, Cheap Amps, 2N3055, Home Power Amplifiers 18 Comments
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