300B-L 300BL Vacuum Tube Amplifier DIY kit(2PCS 300B-L)

IsolationImproved 300B-L, WE three-mica column top sound processThe 300B-L tube is a direct-heated cathode medium-power triode for class A1 amplification, suitable for audio amplifiers with an output power of 10W.Extreme RatingAnode voltage............480VAnode dissipation power............ 40WCathode currentSelf-bias voltage ................................. 100 mAFixed bias voltage............ 70 mAInterelectrode capacitanceInput capacitance................................9pFOutput capacitance................................4.3PFInter-circuit capacitance................................................15PFStatic parameter Ua.................................... 300V-Ug 60V60 mAOn-resistance 5.5 mA/VRi0.7SEK 3.85Buy 2 = a precision matched pair. Buy 4 = a precision matched quad.Note: If you only buy 1 piece, there will be no gift box.

• Isolation