Antique radios, Old Time Radios
KF2
|
Country:
Europe
|
|
| Identical to |
KF2
= VKF2
|
| Similar
Tubes |
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)
|
| 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 |
Taschenbuch zum Röhren-Codex 1948/49
|
| |
|
| |
KF2: Internet
Miguel Angel Trujillo-Rodriguez
|
|
|
 |
|
KF2: Collection TL
Thomas Lebeth
More ...
|
| |
|
KF2: J R
Jacob Roschy
|
| |
|
KF2: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
from Just Qvigstad
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):60
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