This is a stereo power amplifier based on Samsung IC KA2211. With single chip, this circuit will deliver stereo output channel up to 5.8W on each output channel. The circuit can be supplied with general purpose […]
Category: Linear Amplifier
Simple Bench Amplifier
Above schematic diagram is a small 325mW amplifier circuit based on LM386 with a voltage gain of 200 that can be used as a simple bench amplifier, signal tracer or used to amplify the output from […]
24W Audio Amplifier (Class A)
This is the circuit diagram of 24 Watt class A linear audio amplifier, built and tested by Marc Klynhans from South Africa. The supply voltage can be between 34V and 46V and the quiescent current should […]
18W Audio Amplifier
This is the circuit diagram of 18W audio amplifier. The circuit is quite simple and inexpensive to built. It uses a pair of power transistor TIP41A and TIP42A for single channel operation. The power supply used […]
Stereo Tube Amplifier 4 Watts
This is the circuit diagram of stereo tube amplifier using 6SQ7-GT and 6V6-GT. The tube amplifier circuit is uses the total of 5 power vacuum tube. The diagram is based on the output section design of […]
2 x 70W Power Stereo Amplifier based on IC STA550
Here’s the circuit diagram of a 70W stereo power amplifier which built using single power IC STA550. The circuit is simple and require little additional electronic components to support the work of IC STA550. This power […]
35W Power Amplifier with STK-082
Here the great 35W power amplifier with single IC STK-082 from Sanyo Semiconductor. Simple circuit with high power output.. 🙂 This circuit uses symmetrical (dual polarity) power supply with maximum power voltage is 43V based on […]
50W AF Power Amplifier with STK4036II
Here the 50W AF power amplifier circuit powered with single IC STK4036II. This circuit will deliver 50W single channel output. The amplifier circuit uses symmetrical (dual polarity) power suppy. Recommended power supply voltage is +/- 35VDC. […]
250W RMS Power Amplifier Legend Stage Master
Here is the 250W RMS power amplifier circuit called Legend-Stage Master. This is the previous version of Legend-Stage Master MK2. The circuit is based on power MOSFET and give a great output performance for indoor audio […]
68W Power Amplifier with LM3886
This is 68W power audio amplifier circuit which built based on single IC LM3886 from National Semiconductor. A LM3886 used for single channel operation. Dual polarity / split / symmetrical power supply used to operate this […]