Röhren
Tubes
Lampes
Tubos
Schirmgitter Tetrode / Screen-grid Tetrode / Lampe à grille-écran (4)
HF-ZF-Stufe / RF-IF-Stage
USA 5-Stift UY5 (U5A) mit Kappe / US 5-Pin UY5 (U5A), American small 5-pin with cap
Uf = 2,5 V; If = 1,75 A; ~ =
Ua = 180 V (200 V); Ia = 6,3 mA (6,5 mA)
Ug1 = - 3 V; Ug2 = 90 V
Funke 551
Ken-Rad +
Sonora F8