The following is a circuit of a power amplifier 140W. This Circuit using 741 IC-based circuit opAmp as strengthening early before the final strengthening by four transistors thereafter. Make sure you use a heatsink on the […]
Category: Linear Amplifier
300W OCL Power Amplifier
This 300W OCL power amplifier -i’m sorry for the blur diagram, but it should be readable- use 4 pairs of 2N3055 dan MJ3055 transistor as the main power components. This is good circuit, i’ve built this […]
7W Audio Amplifier based TBA810
Here’s a circuit of 7W audio amplifier that is very simple and very easy to build. This amplifier is built using TBA810 as the main component with the support of a few passive components. This circuit […]
4W Audio Amplifier based TDA1013B
The following diagram is the circuit diagram of simple 4W audio amplifier based TDA1013B. The amplifier is based on integrated audio amplifier chip, TDA1013B which is able to gained the audio power output up to 4W […]
100W Power Amplifier based LM3886
This is the 100 Watt power amplifier circuit based power amp chip LM3886. Single chip of LM3886 is able to generate power output up to 68W. In this 100W power amplifier circuit, the two of LM3886 […]
80W Audio Amplifier Using TDA7295
Below is a 80W audio amplifier circuit is constructed by using a power IC TDA7295. With a very simple design, makes this circuit very easy to build. TDA7295 has many features to support your audio system, […]
TDA7381 4 x 25W Quad Audio Amplifier
The following is 4 x 25W quad audio amplifier circuit (amplifier with four inputs and four outputs) based TDA7381. This amplifier is designed for car audio system, but you can also use this circuit for other […]
60W Power Audio Amplifier based on TDA2052
This is the 60W power audio amplifier circuit based on IC TDA2052. If you want to create an amplifier that is able to produce a good sound output with low distortion audio, then this amplifier could […]
32W Hi-Fi Audio Amplifier with TDA2050
Here is a Hi-Fi power audio amplifier circuit, built with a power IC TDA2050. This circuit will produce a power output up to 32watt. With good sound quality, high power and very low distortion feature, this […]
2x25W Stereo Power Amplifier with STK4141II
Here the stereo power amplifier based on single IC STK4141II. This stereo amplifier circuit will deliver 25W audio power on each output channel. Recommended voltage is 27.5V for 8 ohms speaker and 24.5V for 4 ohms […]