Philips EL34 Nickelbase tube (113%) 1956
Philips EL34 Nickelbase tube (113%) 1956
Philips EL34 Nickelbase tube (113%) 1956

Philips EL34 Nickelbase tube (113%) 1956

- Factory Code: 56F SYO

- one piece disc getter

- welded plates

- dark brown metal base

- Eindhoven 1954

- second generation

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Testsettings:

settings: Va = 250V, Vs = 250V, Vg = -13.5V , Vh = 6.3 V

a good (NOS) tube test for: Gm = 11mA/V and Ia 75 mA

Testresults:

Tube 1 : Ia = 85mA (113%)

        Gm = 11,2mA/V (101%)

Last items in stock
€400.00

 
Date code
56F SYO
Year of Manufacturing
1954
Generation
2nd
Label markings
Good (some little scratches)
Plate
Welded
Getter
One piece disc
Gold pins
No
Base
dark brown metal
Tube 1 - Section 1: DC plate current in mA
85 (113%)
Tube 1 - Section 1: Mutual transconductance in uMhos
11200 (101%)
1 Item

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