20 watt amplifier with LM1875
This is a nice amplifier and very easy to make it. Its an 20W Audio Amplifier based on LM1875 IC....
20 watt amplifier with LM1875
This is a nice amplifier and very easy to make it. Its an 20W Audio Amplifier based on LM1875 IC....
60W Power Amplifier with 2N3055
Simple and low cost. The optimal supply voltage is around 50V, but this amp work from 30 to 60V. The maximal input voltage is around 0.8 - 1V. As you can see, i...
Hi-Fi power amplifier with MJ3001 and MJ2501
This is a very simple, low cost, Hi-Fi quality power amplifier. You can build it 5 ways, like it?s shown in the table (from 20 W to 80 W RMS). The first thing t...
Hi-Fi power amplifier with MJ3001 and MJ2501
This is a very simple, low cost, Hi-Fi quality power amplifier. You can build it 5 ways, like it?s shown in the table (from 20 W to 80 W RMS). The first thing t...
4 Watt Amplifier with preamplifier
A small amplifier with nice characteristics: Tendency of catering: 15V. Force of expense: 4,2Wrms in the 4W. Minimal signal of entry: 94mVp-p with preamplifier,...
4 Watt Amplifier with preamplifier
A small amplifier with nice characteristics: Tendency of catering: 15V. Force of expense: 4,2Wrms in the 4W. Minimal signal of entry: 94mVp-p with preamplifier,...
Mini 10 watt Audio Amplifier
You can use this powerfull amplifier in any small audio project. It is very small (6.5 x 4.5 cm).It outputs 10W and uses a 9V battery....
Mini 10 watt Audio Amplifier
You can use this powerfull amplifier in any small audio project. It is very small (6.5 x 4.5 cm).It outputs 10W and uses a 9V battery....
Audio splitter amplifier circuit with TL084
The three-channel amplifier output distribution uses a single TL084. The first step is to capacitive coupling with a p. 1.0 ~ electrolytic capacitor. The entrie...
250Watt sub-woofer amplifier
You will need to go to extremes with the heatsink (fan cooling is highly recommended). It was originally intended for "light" intermittent duty, suitable for an...
Super Class-A 30W Amplifier
I used the original board layout shown in the magazine article as well as the original driver transistors. However, due to the unavailability of the original po...
Bomb Proof 150 Watt MOSFET Power Amplifier
In my opinion that is the best buildable high power amplifier out there. Quality of sound is just remarkable. This is a real bomb proof amplifier like the best ...
Balanced microphone preamp project
Well, it's pretty much a PAiA preamp - usual input circuity followed by one half of dual op-amp rigged in fixed 20dB amplification circuity, followed by second ...
Balanced microphone preamp project
Well, it's pretty much a PAiA preamp - usual input circuity followed by one half of dual op-amp rigged in fixed 20dB amplification circuity, followed by second ...
LM12 Simple Power Amplifier
Output-clamp diodes are mandatory because loudspeakers are inductive loads. Output LR isolation is also used because audio amplifiers are usually expected to ha...
LM12 Simple Power Amplifier
Output-clamp diodes are mandatory because loudspeakers are inductive loads. Output LR isolation is also used because audio amplifiers are usually expected to ha...
80W power amplifier MJ3001 and MJ2501
This is a very simple, low cost, Hi-Fi quality power amplifier. You can build it 5 ways, like its shown in the table (from 20 W to 80 W RMS). The first thing th...
50 Watt Amplifier ICL8063
This is a handy, easy to build general purpose 50 watt amp. The amp has an input for a radio, TV, stereo or other line level device. It also has a phono input f...
60W Bass Amplifier and Preamp
This design adopts a well established circuit topology for the power amplifier, using a single-rail supply of about 60V and capacitor-coupling for the speaker(s...