20W Bridge Audio Amplifier Circuit Diagram

Specifications:

• 20W Bridge Audio Amplifier kit, based on the TDA2005 IC, a class B dual audio amplifier, specifically designed for car radio applications etc.
• Power supply - 18 VDC
• Output power - 20 W, 4 Ω
• IC built in Thermal Shut-down, Load dump voltage surge protected
• Terminal pins for connecting left and right audio signal inputs
• Relimate Connector for connecting Potentiometer (POT) for volume adjustment
• Power Battery Terminal (PBT) for easy power supply and speaker connection
• Power-On LED indicator
• Heatsink for IC
• Four mounting holes of 3.2 mm each with nut and stud
• PCB dimensions 63 mm x 65 mm

20W Bridge Audio Amplifier Circuit Diagram

Pcb

Parts List