The Philips Semiconductors TDA8551 is a small audio amplifier with an integrated volume control. When operated from +5 V, it delivers a nominal output power of more than one watt into 8 ohms. It can ...

A regular Hack A Day reader sent in a tip about an LM386 stero amplifier with digital volume control. The resulting build is very professional and could easily be adapted into a slick iPod dock build.

In this article, we will finally answer the one question that has confused musicians for decades: What is the difference between "gain" and "volume" on your guitar amplifier? Although they may ...

Sherbourn offers a compelling surround preamp/amp combo priced at a point equivalent to today’s top-of-the-line receivers. Separating the preamplifier and amplifier into individual components usually ...

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 ...