Röhren
Tubes
Lampes
Tubos
Schirmgitter-Tetrode / Screen-grid Tetrode / Lampe à grille-écran (4)
Universal
Europa 5-Stift Eu-5 B5 (O5A) / Europe 5-Pin Eu-5 B5 (O5A)
Uf = 4 V; If = 1 A; ~
Ua = 200 V; Ia = 3 mA
Ug1 = - 2 V; Ug2 = 100 V
RENS1264 = H4111D
Funke 038
Telefunken +
Radiotechna T270
Telefunken +
Saba 310WL