140W Class AB Amplifier using MJL4281A and MJL4302A transistors with PCB Discover High-Fidelity Sound: Build a 140W Class AB Amplifier with ...

Fig. 1- 160W High Fidelity Amplifier using Mosfet 2SK1058 and 2SJ162 with PCB This is a High Fidelity  power amplifier, which uses 2 pairs ...

Fig 1 -  Powerful Mini Audio Amplifier using only 5 Transistors with PCB This is a simple amplifier that uses only 5 transistors , and prov...

Fig. 1 - 440W Class AB Power Amplifier using Mosfet IRFP9240 and IRFP240 Transistors with PCB This is a high performance power amplifier, wh...

Fig. 1 - 400W Class AB Amplifier using MJL4281A and MJL4302A transistors + PCB The amplifier circuit is 400W RMS per channel, if you want to...

Fig 1 - PCB 100W Power Amplifier - TIP142 and TIP147 Transistors This is a low complexity amplifier, which can be easily assembled by anyone...

Fig. 1 - 200W RMS Power Amplifier using 2SC2500 AND 2SA1943 transistors For Portuguese version, click here! This Power Amplifier have a mode...

Fig. 1 - PCB 300W RMS Power Amplifier - 2SC3858 and 2SA1494 Transistors For Portuguese version, click here! This is a   300W RMS Power Ampli...

Fig. 1 - PCB 50W Audio Amplifier For Portuguese version, click here! This circuit amplifier is very simple to building, however, although si...