... -control grid 72pF Control gird-screen grid 93pF Screen gird-anode 13.2pFTransconductandce (la=1.5A, Ug2=600V) 80mA/VInternal amplification ... factor, average 8Operating position verticalWeight, approx. 7kg Anode cooling (2) forced air Air flow, min. 13000L/min Corresponding ...