Röhren
Tubes
Lampes
Tubos
Triode (3)
Niederfrequenzverstärkung / Audio frequency amplification / Gain audiofréquence
Europa 4-Stift Eu-4 B4 (A4A) / Europe 4-Pin Eu-4 B4 (A4A)
Uf = 4 V; If = 0,06 A
Ua = 200 V; Ia = 2 mA
Ug1 = - 3 V
W406 = RE034
Funke 079
Valvo --
Siemens 41W/134