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. currect about 60ma). 0-AC12V (12-15V is ok. Currect about 2A).