PSVANEのWE300B真空管2本セット、オリジナルボックス付き。 - ブランド: PSVANE - モデル: WE300B - 付属品: オリジナルボックス - 数量: 2本セット ご覧いただきありがとうございます。 Limited Special Edition Western Electric Replica's get shipped as factory matched pairs in Limited Edition Presentation boxes! The PSVANE WE300B-PLUS Edition benefits from an even higher quality raw material selection and an extended time consuming initial burn.in and pre-aging. According to Psvane Audio, the Psvane WE300B Replica is: "100% 1:1 replica of WE300B Suggested burn-in time is 80-150 hours 1.Filament heating Uf(DC)5V If(DC) 1.2A 2.Static Parameter Ua300V -Ug 60V Ia60mA Gm5.5mA/V ri0.7 K u 3.85 Pout6.6W 3.Maximum rated parameter Ua..480V anode dissipation40W cathode current cathode bias100 mA   fix bias .............70 mA 4.interelectrode capacitance input capacitance .9.0PF   output capacitance ..4.3PF transfer capacitance .15.0PF   5.Typical operation parameter audio amplifier Class A1 amplification Ua -Ug Ia RL  Pout 2nd V   V mA    W   db そうりょうこみでおくりいたします！