Stereo preamp is important part of audio system. It makes weak sound signals from mic or other devices and is stronger for better use. LA3161 is 2-channel preamp chip made for car stereo. It has low noise, works well and needs few extra parts. It has built-in voltage control to cut noise and make sound […]
Audio Circuits
50 Watt Audio Amplifier Circuit using IC LM3876
Audio amplifiers are very important. They make weak sound strong so speaker can play loud. LM3876 IC is useful chip which gives good sound and needs few parts to build. This article for 50 Watt Audio Amplifier Circuit using IC LM3876 shows design, working and how to make 50W audio amplifier with LM3876. Circuit Working: […]
Stereo Amplifier Circuit using IC BA5406
IC BA5406 is small chip with two power amps which are made for stereo sound. It works well, easy to use and needs few extra parts to build. The circuit is good for home audio, portable devices and stereo projects. This article for Stereo Amplifier Circuit using IC BA5406 tells how BA5406 works, its design […]
Simple Stereo Headphone Amplifier Circuit using IC LM4910
LM4910 IC is special chip. It makes stereo headphone sound good by using a very low power. The circuit is useful for small devices like MP3, phone, battery gadgets. It work on low voltage to around 3.3V and has shutdown mode to save power. This article for Simple Stereo Headphone Amplifier Circuit using IC LM4910 […]
Dynamic Microphone Preamplifier Circuit using IC uA739
Dynamic microphones are strong, last long and work well with loud sounds, so people use them a lot in sound systems and recording. But their signal is weak. So they need a preamp to make sound stronger. This Dynamic Microphone Preamplifier Circuit using IC uA739 is a preamp for dynamic mics. It uses µA739 op-amp […]
Active Crossover Circuit using IC LM324
Active Crossover Circuit using IC LM324 important project for audio. It split audio signal into parts like low, mid and high. Each part go to right speaker with woofer for bass and tweeter for high. This make sound better and system works well. IC LM324 op-amp is used a lot. It is cheap, low power […]