5W Audio Amplifier Circuit based BD139/BD140
The following is the diagram of 5W audio amplifier circuit which built using power transistor BD139 and BD140 as the final gaining process. This small amplifier...
80W Power Amplifier based LM12
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7W Audio Amplifier circuit with LM383
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8W Amplifier Based on IC LM383
This is the 8W audio amplifier with IC LM383 as the main component. Very simple, easy and cheap circuit....
Condenser Mic preamplifier
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14Watt Audio Amplifier + pre-amp and tone control
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Mods for JCM900-4100
Mods for JCM900-4100 Note: there are many versions of the schematic for this amp, proceed with caution!! VERIFY which version of the board you have by matching ...
B600 bridge amplifier schematic
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high impedance input JFET/BJT buffer circuit
this is a rather common cookbook circuit that you can find in books and on the net, yet personally i have yet to see it in stompbox circles, so i thought i woul...
A series of bipolar transistor amplifiers
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Bootstrap Buffer Based Preamp
I have been playing with a number of variations of the circuit as a free standing preamp, headphone amp, 321/729 replacements and as a potential active crossove...
50 watts transistor amplifier
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Principle Power Amplifier Design
The FET amplifier, for those focused on the tube sound, which for various reasons can not be made after the courage to Jiang Sheng-class enthusiasts. bipolar FE...
Minimalist Mosfet Power Amplifiers
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The Design of Car Audio Power Amplifier
This article is for those who wants to make their own car amplifier. The basics of calculation will be discussed below. If you have understand it you will be ab...
Cable TV Amplifier Using Transistors
The circuit diagram of Cable TV amplifier has been published here. This cable TV amplifier circuit consists of two transistors Q1 and Q2....
Automatic Cooler Fan Circuit for Amplifiers
Automatic cooler fan for amplifiers is a circuit introduced for the purpose of saving power in amplifier circuits. This circuit switches ON....
Power amplifier electronic circuits-tube audio rf amplifiers
Various types of amplifiers like power amplifiers, audio amplifiers, tube and stereo amplifiers, sensor amplifiers, rf amplifiers, sound amplifiers, video ampli...
TDA2050 Audio Amplifier
TDA2050 Audio Amplifier circuit diagram. There is a current environmental protection: the signal from the output passes through the connecting cables and chains...
Audio Booster
Booster for audio circuit diagram. Potentiometer R5 of 100K is a linear type with an on/off switch attached. The value of C1 may need to be between 0. 05 µF an...