STK-1050: 50W Power Amplifier Circuit

25W Stereo Amplifier with STK4141II
Above diagram is the schematic diagram of stereo amplifier, build based integrated circuit STK4141II. This stereo amp will deliver about 25W power output on each channel. Take a note that a heatsink must be attached to the power IC STK4141II ...

60W Power Amplifier Circuit based STK-0060 II
Here is the circuit diagram of audio amplifier which able to deliver 60W power audio output. Sanyo Integrated Circuit STK-0060II is used as primary component. The circuit has single input and single output (mono). You must build the similar circuit ...

STA5100: 140W Power Audio Amplifier
This is a power audio amplifier circuit which gaining up to 140W audio output (single input/output). Build two similar circuit to build stereo 140W power amplifier based STA5100. Circuit diagram for one audio input/output channel: Download Download the STA5100 datasheet: ...

KA2209, 1 Watt Stereo Amplifier
The following schematic diagram is 1 Watt stereo audio amplifier circuit which use IC KA2209 as the main active component. Component part list: R1 R2 = 10K R3 R4 = 4R7 C1 = 10uF/16V C2, C3 = 470uF/16V C4, C5 ...

10W Stereo Amplifier with TDA2009A
This is the circuit diagram of 10 watt stereo audio amplifier built based on single TDA2009A as the main component. This circuit will be very easy and cheap to build, nice project for junior high school students. Component list: R1, ...