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 ...

Fig. 1: Note the 3 dB difference in left- and right-channel levels shown by the console VU meters in this photo of announcer Pete Vukelich in the studio of WWWI Radio in Baxter, Minn. Yes, we are in ...

Once a mainstay of every station, the reel-to-reel recorder is now a mystery to some people. While most radio stations are fully digital now, there are still a few limited (often forgotten) parts of ...

Looking for a digital recreation of the classic analog volume unit (VU) meter? If you’ve got an Arduino, a few passive components, and a SSD1306 OLED, then [mircemk] might have the answer for you. As ...

Usuallyyour meter will be bought or adapted for a specific measurement and youwill not have to make special efforts to get it to read what you want.Or your schematic will specify the sensitivity of ...

Quite apart from anything else, using analog meters gives your hobby projects a certain sense of ‘je ne sais quoi.’ Quite apart from anything else, using analog meters gives your hobby projects a ...