12V DC Speaker Protector Circuit

Introduction: A speaker protector circuit is a crucial component in audio systems, designed to protect speakers from damage caused by current surges, DC voltage, and other disturbances. This article will discuss the 12V DC speaker protector circuit scheme shown in the image.Pcb Layout Component List: 12V DC Relay Capacitors: 47/50V and 100/50V 22uF Capacitors (2 pieces) Resistors: 560Ω (2 pieces), 22kΩ (2 pieces), 390kΩ, 47kΩ 4148 Diodes (5...

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Soft Start Circuit for Amplifiers - PCB Layout

 Introduction: A soft start circuit is a crucial component in amplifier systems, designed to reduce inrush current when the amplifier is powered on. This circuit helps protect amplifier components and extends their lifespan. This article will discuss the 47R/20W soft start circuit scheme shown in the image. Component List: 47R/20W Resistor Songle SLA-12VDC-SL-C 30A Relay 220uF/25V Capacitor 330 ohm/400V Resistors (2 pieces) 10K Resistor 1N4007...

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TDA7293 Stereo Amplifier: 2x 100W Configuration with PCB Design

 Introducing a high-quality audio solution: a stereo amplifier using the TDA7293 IC, capable of producing output up to 2x 100 Watts. This article will discuss the circuit diagram along with the recommended PCB design.Key Features: Integrated power supply - only requires an external transformer Compact single-sided PCB design Superior sound quality Versatile for various audio applicationsSafety Features: Mute/stand-by circuit to avoid 'clicks'...

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