WE211 tube replica amplifier DIY(1PCS)

PreampsWE211 is a directly heated thoriated tungsten cathode triode, which can be used for class A, B and C power amplification.Filament HeatingUf----------------------------------------10 VIf ----------------------- 3.25 AInterelectrode capacitanceInput capacitance ----------------------------------6 PFOutput Capacitor---------------------------------5.5 PFInter-circuit capacitance ----------------------------------14.5 PFStatic parametersUa----------------------------------------1250V-Ug----------------------------------------70VIa-------------------------------------------------100 mAGm--------------------------------------3.8 mA/Vu(when Ia=75mA)-----------------------12RL----------------------------------------7 KPout------------------------------------10 WRecommended working conditions (reference value)Single tube Class A amplification (AF).Typical working conditions limit parametersUa--------750 1000 1250 1250 VPa-----------------------------75 W-Ug-------46 61 80VUg (peak) ----- 41 56 75 VIa(0)-------34 53 60 mAMileage---------4.4 3.8 3.6 KRL--------8.8 7.6 9.2 KPouting------5.6 12 19.7 WPush-pull Class B power amplifier (AF).Typical working conditions limit parametersUa------------------ 1000 1250 1250 VIa (mAx.sig per tube)-------------------175 mAPa (inch) (mAx.sig per tube) --------------- 220 WPa (per tube) -------------------- 100 W-Ug------------------72 95 VUg(pk)-----------------380 410 VIa (0)------------------20 20 mAIa (mAx.sig) --------------320 320 mAPd(mAx.sig)------------7.5 8 WRL(aa) ---------------6.9 9 KPout ------------------ 200 260 WChannels: 1Model: WE211Maximum power per channel: No power supply

• Preamps