More about Amplifier (436)

1-07-2004 | The gain of an operational amplifier is usually set using two external resistors. If you wish to have adjustable gain, you can use a digital...

1-06-2004 | The final amplifier is the power source of every audio installation. Its job is to convert a small alternating voltage into a powerful signa...

1-06-2004 | This top-end amplifier proves that high power does not have to mean a large, heavy design. Although this amplifier is highly efficient (and...

1-01-2004 | A headphone amplifier with outstanding sound quality can be built using readily available modern components. Omitting the output transformer...

1-12-2003 | This addition to the receiver part of the ‘FM Remote Control’ is mainly intended for use as a simple intercom or P.A. system. With a few cha...

1-12-2003 | A number of years ago (November 1997), we published a design for a stereo microphone preamplifier with balanced inputs and a phantom power s...

1-10-2003 | In the first part of this article, we described all of the circuit boards. Now it’s time to look at how they fit together. We first describe...

1-10-2003 | It is not just power amplifiers that can deliver the much sought-after warmth of the ‘valve sound’ — headphone amplifiers can too. What is s...

1-10-2003 | Most commercial preamplifiers and power amplifiers have a headphones output. However, because of its simplicity the sonic quality of such an...

1-09-2003 | This stereo preamplifier is primarily intended to be used as a companion to the Valve Final Amplifier described in the April and May 2003 is...