Antique radios, Old Time Radios
KF2
|
Country:
Europe
|
|
| Identical to |
KF2
= VKF2
|
| Similar
Tubes |
Normally replaceable-slightly different:
VP2A
Other base:
HP211C
; KF2_UX6
; RES192
; SE211
Other base and data slightly different:
H208D
; HP215
|
| First year |
Nov.1934
Philips Bulletin # D20
|
| First Source
(s) |
Nov.1934 : Philips Bulletin # D20
|
|
Successor Tubes
|
1936
KF3
|
| Base |
Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lr)
Top contact with a cap.
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
EE: An ad November 30th 1934 in "Radio & Electrical Merchant" Australia shows a battery console model 46 Challenger with KF2, 1C6, KF2, KBC1, B217 and B240. It is not unlikely that this model could not be delivered until the tube was on market in 1935. Many months before the official market introduction, some manufacturers get pre series examples to build circuits with them ...
|
| Information source |
- - Manufacturers Literature
Babani, International Radio Tube Encyclopaedia p. 112 & 113
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
|
KF2: Internet
Miguel Angel Trujillo-Rodriguez
|
KF2: J R
Jacob Roschy
More ...
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Just Qvigstad
|
KF2: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):60
Collection of
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