In order to guarantee the durability of this exceptional tube, a sophisticated mechanical system protects it from shocks when not in use. The input stage tube is 310A specially manufactured for and by Line Magnetic. The restoration is ensured by a 274B. The tubes 310A and 274B are of origin PSVANE series WE. The capacitors are of the following origin: « Top grade » RTX series from Muliticap (USA), Jensen (Denmark), Mundorf Mcap (Germany), Nichicon (Japan), All wired in the air for the most part is the guarantee of exemplary reliability.