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 ...

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 ...

Do you believe in magic? Ivor Tiefenbrun, founder of Linn Products, believes strongly in Majik, his company’s new iconoclastic control amplifier. A control amplifier controls your sound system and ...

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 ...

I'm planning to have a small and simple setup for outdoor speakers. The speakers are unpowered Yamaha NS-AW150W 2-Way Outdoor Speakers and they will be powered by a standalone LP-2020A+ Lepai Tripath ...

Normally, if you want to control the gain of an amplifier, you’ll use a variable resistor. You know, like a volume control. But what if you want to control the amplifier’s gain with a voltage?