The circuit was designed to build a volume control that is operated digitally on an audio preamplifier circuit. The design of the circuit comprises of three parts. The first circuit contains a control ...

Build a simple audio amplifier circuit with tone control, allowing users to amplify audio signals from a source (e.g., a smartphone or MP3 player) and adjust bass and treble frequencies.

This Pre-Amplifier circuit is a minimalistic design, a.o. inspired by valve design, which should help sound clarity. With 5 transistors, it has 0.1% distortion (expected from 60dB loop gain) up to ...

[Ynze] has built an audio amplifier that looks and sounds great. His amplifier uses a National Instruments (now TI) LM3886 Overture series 68 Watt power amp. The LM3886 places [Ynze’s] amp squarely in ...

Abstract: Aiming at the problem of poor human auditory sensation caused by the wide range variation of audio signal amplitude, a high-precision and expandable automatic volume control circuit system ...

This project is a PCB design for an audio amplifier based on the TDA2030 integrated circuit. The TDA2030 is a low-frequency class AB amplifier known for its high output power and low harmonic ...

The function of this automatic volume control circuit is to amplify signals without distorting its dynamic compression. The amplitude differences in the signal are levelled off and the disturbing ...

I need a simple audio amplifier to drive conventional headphones, for an elderly person with hearing problems. The requirements are: 240v power, left\right RCA inputs, headphone out, volume control, ...