Music light for an amplifier

Electronics Help Care March 23, 2026 LCD or LED

This is the Music light for an amplifier. Every amplifier needs this music circuit. It’s not only for a beautiful looking, but also calls us the audio output level. It’s a single-level light. A stereo amplifier needs two circuit boards. This circuit runs with a 3.5V to 15 voltage.

All resistors are 1/4 watts. Only 100 ohms is 1 watt.

If you have ever sat in a dark room, with your favorite record spinning, and felt like the music was missing a visual “pulse,” then you are not alone. Nowadays, the home audio experience is no longer just about what you hear—it’s about the atmosphere that you create. Your amplifier is the ultimate way to bridge the gap between sound and sight. Whether you are a dedicated audiophile or a casual listener, here is how to elevate your music setup.

Circuit Diagram is here.

Amplifier diagram using transistor C5198 and A1941:

This is an amplifier diagram using transistor C5198 and A1941. This circuit can make 50 watts. It’s a simple amplifier circuit diagram board. like a school project. here use 2 transistors. PNP and NPN transistors. But voltage is a single positive or negative voltage. C5198 is an NPN bipolar transistor used in high-power audio amplifiers. The TO3PN package it’s collector current up to 10A and a collector-emitter voltage of 160Volt.