Röhren
Tubes
Lampes
Tubos
Magisches Band / Magic bar tuning indicator
Anzeige / Indication
Noval 9-Stift B9A / Noval B9A
Uf = 6,3 V; If = 0,3 A; ~ =
Ug = 0 ... - 18 V
6DU6 = EM85
Mazda
SNR Constellation 56