E44-Tube electronique el509 / 6kg6 / power amplifier tetrode 9 pins à 49,00 € (Tétrode)
EL509 | JJ Tubes
6KG6A / EL509 9 Pin Magnoval Beam Power Amplifier Tube
1 X EL509 / 6KG6 tube Blackburn Made in England, labePhilips, Mazda, New, Tested EUR 80,00 - PicClick FR
OTL is the way to go for audiophile hifi as long as reliable EL509 tubes are available. 6C33S is just too power hungry and the 6080… | Audiophile, Hifi, Vacuum tube
Amplificateurs à tubes de radio: EL509 version originale avec soquet magnoval