The 60 Watt linear amplifier is simple all solid state circuit using power mosfet IRF840. [more]
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). The advantages for a guitar amplifier are the very simple circuitry,... [more]
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). [more]
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. [more]
This circuit is of an 2x 2,500W RMS stereo amplifier, super-light and without switching-mode power supply [more]
Simple and low cost. The optimal supply voltage is around 50V, but this amp work from 30 to 60V. [more]
Can be directly connected to CD players, tuners and tape recorders. Simply add a 10K Log potentiometer (dual gang for stereo) and a switch to cope with the various sources you need. [more]
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 sound or home... [more]
Can be directly connected to CD players, tuners and tape recorders. [more]