Radios antiguas y Radios de Colección
KF2
|
País:
Europa
|
|
| Idéntica a |
KF2
= VKF2
|
| Válvulas similares |
Substituya normalmente -diferencia peq.:
PF2
; VP2A
Otra base:
HP211C
; KF2_UX6
; RES192
; SE211
Other base and data slightly different:
H208D
; HP215
|
| Primera serie |
Nov.1934
Philips Bulletin # D20
|
| Fuente principal
(es) |
Nov.1934 : Philips Bulletin # D20
|
|
Válvulas Sucesoras
|
1936
KF3
|
| Base |
Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lr)
Top contact with a cap.
|
| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 2 Volt / If 0.2 Ampere / Direct / Battery = |
| Descripción |
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 ...
|
| Literatura |
- - Manufacturers Literature
Babani, International Radio Tube Encyclopaedia p. 112 & 113
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
|
| Tube Tester Data |
Avo CT160 |
KF2: Internet
Miguel Angel Trujillo-Rodriguez
|
KF2: J R
Jacob Roschy
Mas ...
|
Just Qvigstad
|
KF2: RVF-Röhrenbuch-M1,1947
Anónimo 15 Coleccionista
Mas ...
|
Número de
modelos en Radiomuseum.org con esta
válvula:60
Colección personal de
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