Antique radios, Old Time Radios
EF22
Country:
Netherlands
|
|
Identical to |
EF22
= W143
= CV303
= 6H2
= 6F22_Sweden
|
Similar
Tubes |
Other base:
EF21_9pin
; EF41
; EF9
|
First year |
Feb.1941
Tube leaflet collection E.Erb Philips Book III [178]
|
First Source
(s) |
Feb.1941 : Daten und Schaltungen moderner ... Röhren; Philips # 3
Jul.1941 : Radio-Mentor # 7
|
Predecessor Tubes |
EF9
EF21_9pin
EF22_9pin
|
Successor Tubes
|
1947
EF41
|
Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=Waa)
|
Was used by |
Radio/TV-reception etc. |
Filament |
Vf 6.3 Volts / If 0.2 Ampere / Indirect / Defined Voltage AND Current AC/DC |
Description |
The Philips 21- "Key Base" tubes were initially designed in 1940 with the 9-pin base B9G like the EF50. The later series production from 1942 on however was changed to the 8-pin Locktal-base B8G designed by Sylvania.
|
Tube prices |
29 Tube prices (visible for members
only)
|
Information source |
- - Manufacturers Literature 1940
Philips Bulletin Juli 1941
Taschenbuch zum Röhren-Codex 1948/49
|
|
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EF22: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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|
 |
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EF22: My tubes
Anonymous 413 Collector
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EF22: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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EF22: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
from Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):616
Collection of a member from FIN
Collection of a member from D
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