Röhren
Tubes
Lampes
Tubos
Triode (3)
Universal
USA 5-Stift UY5 (U5A) / US 5-Pin UY5 (U5A), American Small 5-pin
Uf = 2,5 V; If = 1 A; ~ =
Ua = 250 V; Ia = 5 mA
Ug = - 13,5 V
Funke 556
Grammont
Grammont Super 2807
Mazda
Poler M8