6SN7 6N8P preamplificatore valvolare + alimentatore kit fai da te basato su circuito Rogue99
1x6SN7 6N8P Preamp Diy Kit. Preamp board PCB Size: 200mm 205mm. Single 12 to 15v range 2a. Dual 250 to 300v range, greater than 50ma. Arduino digital multi-mode arc extinguishing support HFBR-1414 (no music).