Hello everyone! Today I'm how to make you how I built an Audio Amplifier for a 2.1-channel system (Left-Right and Subwoofer).
The circuit uses a four-channel TDA7377, combined with the LM324 ic preamp, designing and testing, the circuit works very great.
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#diyamplifier2.1
➤ Parts Required:
• TDA7377 ic, LM324 ic
• Resistor: 100Ω , 1kΩ x 2, 10kΩ x 3, 15kΩ x 4, 22kΩ, 33kΩ x 2, 100kΩ x 2
• Capacitor: 473, 103, 104 x 2, 4.7uf x 7, 10uf x 4, 47uf/50v x 2, 100uf x 2, 4700uf/25v.
• Dual 50k potentiometer, single 50k potentiometer
• Aluminum heatsink
• Battery: 12VDC
