| Common TV Soundbars are very expensive or really bad. This gives a niche for DIY. To develop the electronics for a solution with digital inp...
Dr. Thomas Scherer (3)
![Supra 2.0 - High End Preamp for Record Player [150616-I]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.fr%2Fassets%2Fupload%2Fimages%2F36%2F20160315095100_Supra20.jpg)
| More than 2^5 years ago a circuit was published called SUPRA, a "superrauscharmer" MC/MM-Vorverstärker" for record players. The low noise be...