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First guitar amp buildSimple single transistor audio amplifier circuit Transistor preamplifier npn resistor capacitorVery simple amplifier circuit using transistor 2n3904.
![4 Simple transistor amplifier circuit | Eleccircuit.com](https://i2.wp.com/www.eleccircuit.com/wp-content/uploads/2018/04/4-transistor-audio-amplifier-circuit-600x458.png)
Amplifier transistor transistors eleccircuit
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Let's try the 3 transistors audio amplifier circuits (mono .
![Simple Single Transistor Audio Amplifier Circuit](https://i2.wp.com/theorycircuit.com/wp-content/uploads/2019/06/single-transistor-preamplifier-circuit.png)
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![Very simple amplifier circuit using transistor 2N3904](https://i2.wp.com/www.eleccircuit.com/wp-content/uploads/2020/05/Basic-transistors-amplifier-circuit-using-2N3904.png)
Very simple amplifier circuit using transistor 2N3904
![Audio amplifier using transistor BC547](https://i2.wp.com/www.engineersgarage.com/wp-content/uploads/2019/10/Circuit-Diagram-Audio-amplifier-transistor-BC547.gif)
Audio amplifier using transistor BC547
![Two Transistor Audio Amplifier Circuit](https://i2.wp.com/www.circuits-diy.com/wp-content/uploads/2021/05/two-transistor-amplifier-project.jpg)
Two Transistor Audio Amplifier Circuit
![Let's try the 3 transistors Audio Amplifier circuits (MONO](https://i2.wp.com/www.eleccircuit.com/wp-content/uploads/2020/02/Microphone-3-transistors-Audio-Amplifier-circuit.png)
Let's try the 3 transistors Audio Amplifier circuits (MONO
![40 Watt Audio Amplifier Circuit Diagram using TDA2040 and Transistor Pair](https://i2.wp.com/circuitdigest.com/sites/default/files/circuitdiagram/Circuit-Diagram-for-40-Watt-audio-Amplifier-using-TDA2040-and-Transistor-Pair.png)
40 Watt Audio Amplifier Circuit Diagram using TDA2040 and Transistor Pair
![amplifier - Purpose of resistor in pre_amp circuit - Electrical](https://i2.wp.com/theorycircuit.com/wp-content/uploads/2019/06/Simple-single-transistor-audio-amplifier-circuit.png)
amplifier - Purpose of resistor in pre_amp circuit - Electrical
![5v Audio Amplifier Circuit Diagram | Simple Transistor Audio Amplifier](https://i2.wp.com/circuitspedia.com/wp-content/uploads/2019/06/Audio-Amplifier-circuit.png)
5v Audio Amplifier Circuit Diagram | Simple Transistor Audio Amplifier
![Very simple amplifier circuit using transistor 2N3904](https://i2.wp.com/www.eleccircuit.com/wp-content/uploads/2020/05/Basic-transistors-amplifier-circuit-using-2N3904-768x616.png)
Very simple amplifier circuit using transistor 2N3904