Mini 10W 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....
10 Watt Audio Amplifier
This circuit is a general-purpose 10-W audio amplifier for moderate-power PA or modulator use in an AM transmitter. With higher voltages and a change in bias re...
Guitar Amplifier
The aim of this design was to reproduce a Combo amplifier of the type very common in the `sixties and the `seventies of the past century. It is well suited as a...
CLASSIC MINIMALIST AMPLIFIER
The unit is powered directly from the 120 volt AC line, with no power transformers. Filaments are wired in series, with the total adding up to 117 volts (35 + 3...
CLASSIC MINIMALIST AMPLIFIER
The unit is powered directly from the 120 volt AC line, with no power transformers. Filaments are wired in series, with the total adding up to 117 volts (35 + 3...
2x45 Watt Tube Amplifier
The circuit is simple, yet is capable of excellent performance. I designed it specifically for use as an amplifier for the digital sound card in my computer. Au...
2x45 Watt Tube Amplifier
The circuit is simple, yet is capable of excellent performance. I designed it specifically for use as an amplifier for the digital sound card in my computer. Au...
A class and push-pull
Pure A class is the most simple topology for designing an amplifier! The tube or the power transistor is loaded directly by the speaker (often thru a transforme...
A class and push-pull
Pure A class is the most simple topology for designing an amplifier! The tube or the power transistor is loaded directly by the speaker (often thru a transforme...
845 20W A1 class monotriode amplifier
This project is finalized, that means it is no longer experimental. This amplifier, altough limited in output power (20W), has been designed to give the best li...
845 20W A1 class monotriode amplifier
This project is finalized, that means it is no longer experimental. This amplifier, altough limited in output power (20W), has been designed to give the best li...
Vacuum Tube Preamp
Figure 1 shows distortion variations in red and violet. Notice how the violet wave follows the green wave perfectly during its positive excursion but falls sho...
Vacuum Tube Preamp
Figure 1 shows distortion variations in red and violet. Notice how the violet wave follows the green wave perfectly during its positive excursion but falls sho...
22 Watt Audio Amplifier
The 22 watt amp is easy to build, and very inexpensive. The circuit can be used as a booster in a car audio system, an amp for satellite speakers in a surround ...
22 Watt Audio Amplifier
The 22 watt amp is easy to build, and very inexpensive. The circuit can be used as a booster in a car audio system, an amp for satellite speakers in a surround ...
25 Watt MosFet Amplifier
High Quality simple design
No need for a preamplifier Can be directly connected to CD players, tuners and tape recorders. Simply add a 10K Log potentiometer (d...
25 Watt MosFet Amplifier
High Quality simple design
No need for a preamplifier Can be directly connected to CD players, tuners and tape recorders. Simply add a 10K Log potentiometer (d...
10-W Class A Amplifier
The major advantage of amplifiers of this type is that the normal static power dissipation is very low, and the overall power-conversion efficiency is high. Unf...
10-W Class A Amplifier
The major advantage of amplifiers of this type is that the normal static power dissipation is very low, and the overall power-conversion efficiency is high. Unf...
1W stereo Headphone Amp (TDA2822)
A stereo power amp designed for use in portable players and radios. A 3V supply can be used to drive headphones providing 20mW in 32 Ohms per channel. ...