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200W Power Amplifier Using Transistor
This is a 200W power amplifier circuit project. The circuit features high power, good definition and very low noise. It delivers about 200 watts in 4 ohms loudspeaker: a 4 ohm speaker or two pieces of...
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Bass Guitar Preamp Pedal
Here is the circuit diagram and PCB design for relatively low cost DIY bass guitar preamp pedal uses FET K117 or equivalent. There is a bit difficult to build this kind circuit project, it’s require a...
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120W Power Amplifier + Power Supply
This is 120W power amplifier schematic using TO-3 package complementary transistors, NPN and PNP polarity. The well-known power transistor pair of 2N3055 and MJ2955 used in this circuit. +/- 50V...
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100W Power Amplifier Based IC TDA7294
This is a very interesting circuit design to assemble. There are 4in1 amplifier module in a circuit board. 100W power amplifier using the TDA7294, for the VU meter uses IC LM3914. The tone control...
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Stereo Tone Control with Line In + Microphone Mixer
This is an active stereo tone control circuit using very well known op-amp IC of TL072. The circuit include mic pre-amp and mixer control. In this design, we have two inputs: one for line (stereo),...
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300W RMS Stereo Power Amplifier based IC TDA7294
This is the 300W RMS stereo power amplifier circuit project. This amplifier is based four pieces of power IC TDA7294. It’s mean that every single channel of the circuit uses two ICs in bridge mode. In...
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200W MOSFET Amplifier based IRFP250N
Here is the 200W MOSFET amplifier powered based on four piece of IRFP250N, they are very cheap and easy to find in the electronic market in your area. The circuit has been assembled and tested with...
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Alarm Circuit for Drinking Water
This is the circuit diagram of drinking water alarm based a small water sensor by using aluminium foil and plastic foil, and connected to a very simple alarm based a 555 IC timer. Water Sensor and...
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Horn and Lamp Flasher Circuit for Car Reversing Gear Mode
The Horn Circuit This is a basic circuit of car horn and lamp flasher that starts playing the vehicle horn at whatever point your vehicle is backward rigging. The circuit (First Diagram) utilizes...
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Power Amplifier 45W Using uPC 1230 + Pre Amp Head uPC 1032
This is the circuit diagram of power amplifier 45W using power uPC 1230 as the main component. The pre amp head has been added in the circuit using uPC 1032. This is an popular old circuit for...
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