jadi jpJADIS JP-200 Pre-Amplifier Board AR (Including 6P14*2+6N2*2 6N4*6 Tubes) $280 Dec 5, 2022 eBay Diy JADIS JP200 Circuit PCB board Diy HiFi Blank Preamplifier board $20 Dec 18, 2021DESCRIPTION Built with 4 , 1 MM and 1 MC input the JP200MC will allow you to connect all the analog sources you mh want to use. The phono stage will accept any cartres even