Given its appearance in one form or another in all but the cheapest audio gear produced in the last 70 years or so, you’d be forgiven for thinking that the ubiquitous VU meter is just one of those ...

This circuit uses two quad op-amps to form an eight LED audio level meter. The op-amp used in this particular circuit is the LM324. It is a popular IC and should be available from many parts stores.

An analog VU (volume unit) meter is a splendid moving-coil measuring instrument. It is a passive electromechanical device displaying a representation of the signal level in an audio equipment. Even ...

British audio house Meters Music has announced a wireless version of its novel-looking headphones launched at CES 2017 in Las Vegas back in January. The flagship OV-1B model sports the same working VU ...

The best laid schemes of mice, men and niche British audio brands can go awry when the world is gripped by a global pandemic. Meters Music announced its new flagship headphones back in January, with ...

VFD displays are beloved for their eerie glow that sits somewhere just off what you’d call blue. [mircemk] used one of these displays to create an old-school VU meter that looks straight out of a ...