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Radio Valve Data: 1915-1960

Keith R Thrower OBE, The Valve Museum, April, 2022.
    
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Help information: Abbreviations - Explanations - Notes.

Post-1925 amplifying valves, frequency changers
and signal diodes

Type
Description
Filament
Anode
Auxillary Grid
Grid
ra
gm/go
RL
Po
Rk
Base (1)Pin-out details for non-exhibits can be found with the base details.
Year
 
 
Volts
Amps
Volts
mA
Volts
mA
-V
mA/V
Watts
Ω
Type
Ref
 

Eagle

 Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless
205 (GP)
Triode
2.0*
0.05
-
-
B4
1
1927
210 (SP)
Output triode
2.0*
0.10
-
-
B4
1
1927
220 (GP)
Triode
2.0*
0.20
-
-
B4
1
1927
406 (GP)
Triode
4.0*
0.06
-
-
B4
1
1927
420 (GP)
Triode
4.0*
0.20
-
-
B4
1
1927
420 (SP)
Output triode
4.0*
0.20
-
-
B4
1
1927
E.2P
Output triode
2.0*
0.15
150
7.0
-
-
18.0
4.2
1.20
B4
1
1927

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