This is a simple 20W bridge amplifier based on TDA7240A. This circuit is designed for car audio system, but you may use this circuit for your small home audio application… 🙂 . Schematic Diagram: This circuit […]
Category: Linear Amplifier
80W Power Audio Amplifier with LM12
This is the circuit diagram of 80W power audio amplifier based on power IC LM12. The circuit kit is sold at electronic part/component store, the design is proven to be valid and work. This amplifier use […]
16W Bridge Amplifier using LM383
The following diagram is 16W audio amplifier circuit. The circuit built based 2 pieces of power IC? LM383 in bridge connection, so this amplifier is an bridge amplifier. This is an old amplifier, LM383 is discontinued, […]
400W RMS Stereo Power Amplifier
This is the schematic diagram of 400W RMS stereo power amplifier which use power transistor to work. This amplifier in addition to providing good sound power, also with excellent quality and a high fidelity with low […]
22W Stereo Power Amplifier with TDA1554
Here the circuit diagram of 22W stereo power amplifier. Powered with main power IC TDA1554Q, this circuit works up to 22W for each channel. For stereo channel, the power output? should be up to 2 x […]
18 Watt Audio Amplifier with HA13118
This is a 18 Watt audio amplifier circuit based on power IC HA13118. The supply voltage required for this circuit is 8 – 18V DC, at least 1 to 2 Amps. Maximum output power will only […]
25W HiFi Audio Amplifier with MOSFET
This is high fidelity, high quality 25W HiFi audio amplifier circuit delivers great audio performance. You don’t need pre amplifier circuit for this design since it can be directly connected to the input devices such as […]
4W Stereo Amplifier using LM2877
This is the diagram of 4W stereo power amplifier built based stereo power IC LM2877 with a few of external components. The circuit required single power supply with voltage range of 6VDC – 24VDC. Heatsink is […]
25W Hi-Fi Audio Amplifier based LM1875
Here the circuit diagram of 25 watt Hi-Fi (high fidelity) audio amplifier that build based on single power amplifier IC LM1875 that should be run using heatsink attached on its. Components List: R1 _____________ 1K R2 […]
Mic Condenser Amplifier
This is the circuit diagram of mic condenser amplifier. The low-cost and compact mic condenser audio amplifier described right here is deliver good-quality audio of 0.5 watts at 4.5 volts. It could possibly be applied as […]