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205F WE "FAST" used/strong, "top printing", getter like new, early 1942-1945 (46ma) (strong Ma and Gm)

$ 469.99

205F WE "FAST" used/strong, "top printing", getter like new, early 1942-1945

46ma

Gm=2350

 

Tested on Amplitrex

Vplate=350V

Vgrid=

NOS Ma = 35ma

NOS Gm = 1800

 

General Information

(205F "FAST" = Quick Heating Filament)

Operating Characteristics when used as Amplifier:
Filament Current (maximum): 1.6A
Filament Voltage: 4.3V - 5V
Plate Voltage: 200V - 350V
Grid Voltage: -10V to -25V
Plate Current: 17 - 25 Ma
Zout: 3 - 4 Kohms
Mu: 6 - 7.5
Transconductance = 2000
Maximum Continuous Plate Watts: 5W

 

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