Paar USSR GU-50 = ГУ-50 = LS50 = P50-1 / NOS / Funke W20 / tested / Good (09+11)

Description

Selektiertes Paar / Matched pair
GU-50 /
ГУ-50
40 Watt End-Pentode
Geprüft mit Röhrenprüfgerät: /
Tested
with
Tube
tester
:
FUNKE W20
Mit Prüfnachweis! /
With
proof
of
inspection
!
Röhre 09:
Ia
= 60 mA bei
Ua
= 200 V, Ug2 = 60 V und Ug1 = 0 V.
Ip
= 60 mA
by
Va = 200 V, Vg2 = 60 V and Vg1 = 0 V.
Ia
= 80 mA bei
Ua
= 200 V, Ug2 = 100 V und Ug1 = - 4 V.
Ip
= 80 mA
by
Va = 200 V, Vg2 = 100 V and Vg1 = - 4 V.
“Gut". / “
Good
“.
Vakuum: "Sehr gut". / Vacuum: "
Excellent
".
Röhre 11:
Ia
= 60 mA bei
Ua
= 200 V, Ug2 = 60 V und Ug1 = 0 V.
Ip
= 60 mA
by
Va = 200 V, Vg2 = 60 V and Vg1 = 0 V.
Ia
= 77 mA bei
Ua
= 200 V, Ug2 = 100 V und Ug1 = - 4 V.
Ip
= 77 mA
by
Va = 200 V, Vg2 = 100 V and Vg1 = - 4 V.
“Gut". / “
Good
“.
Vakuum: "Sehr gut". / Vacuum: "
Excellent
".