The five band graphic equalizer described here was designed to connect between two video recorders, so that the frequency response can be corrected somewhat. A problem I frequently encounter when ...

There was a time when any hi-fi worth its salt had a little row of sliders on its front panel, a graphic equalizer. On a hi-fi these arrays of variable gain notch filters were little more than a fancy ...

Depending on how you listen to your music, you may want—or need—to adjust the sound that comes out of your computer or your iPod. If you have simple speakers connected to your computer, or use an iMac ...

The circuit is based around Monolithic Linear SANYO integrated circuit LA3600 to create a low noise and completely high quality 5-band graphic equalizer which can be used for any portable tape ...