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 power supply. KA2211 is a dual audio power amplifier for consumer application. It is designed for high power, low… Read More »
Here the schematic diagram of 6-10W stereo power audio amplifier with IC TDA2005: Components List: R1, R9 ________ 1K ohm R2 ____________ 120K ohm R3, R4 ________ 1K2 ohm R5, R6 ________ 33 ohm R7, R8 ________ 1 ohm IC ____________ TDA2005 Pot ___________ 10K ohm stereo C1 C2 __________ 2u2/50V C3 _____________ 10uF/25V C5,… Read More »
This is the circuit diagram of 2 x 22W stereo car audio amplifier. The circuit is powered by a single IC TDA1553 with some external components, this IC will handle your stereo car audio system. The TDA1553CQ is a monolithic integrated class-B output amplifier in a 13-lead plastic DIL-bent-SIL power package. It contains 2×22 W… Read More »
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 22W . A few externel components required to support the main component. Heatsink on the power IC is a… Read More »
This is 2 x 3W stereo audio amplifier based on IC power BA5406. This circuit which will give you 3W power in each channel. This circuit will be great for indoor audio system. Components List: R1, R2 = 120 ohm R3, R4 = 2R2 ohm C1, C2, C11, C12 = 220nF nonpolar capacitor C3, C4,… Read More »
This is 1W stereo audio amplifier with LM386N. The output power is 1 watt for each channel, so it should be use two ICs of LM386N National Semiconductor for stereo channel. This circuit belongs to kitsrus.com and the kit is available there or at electronickits.com. This circuit only need 10mA current with best voltage supply… Read More »
This document is the manual of 2x90W Stereo Tube Power Amplifier with EL34, model K4040 by Velleman. The document in PDF version contain of schematic diagram, part list, component guide, step by step how to build the circuit. This circuit is for advance hobbysts… 🙂
This a simple stereo electret microphone pre amplifier circuit. The below design diagram is the design for single channel, but the design of PCB layout is for stereo design og electret mic pre amp. For maximum performance, better quality, use solid capacitors or film capacitors and metal film resistors (1% tolerance). schematic diagram:
This is the scheme diagram of 20 Watt stereo audio amplifier which use dual IC TDA2005, one IC for left channel and the another one for right channel. Each IC will give you 20 watt output, so the output will be 2×20 Watt. The supply voltage for this circuit is 8VDC to 18VDC, use regulated… Read More »