Antique radios, Old Time Radios
DF91
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Country:
Europe
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| Identical to |
DF91
= W17
= 1K2
= 1F3
= 1T4
|
| First year |
Jun.1947
Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) December 13th 1947
|
| First Source
(s) |
Mar.1948 : Funkschau # 3
|
| Base |
Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zoo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery = |
| Description |
HF-Regelpentode, ab 1950 in Deutschland.
|
Dimensions (WHD)
incl. pins / tip |
19 x 54 x mm / 0.75 x 2.13 x inch |
| Weight |
10 g / 0.35 oz |
| Tube prices |
6 Tube prices (visible for members
only)
|
| Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 24
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 176, p. 298
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
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DF91: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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DF91: Telefunken Handb. d. Rundfunkröhren
Peter Hoddow
More ...
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Just Qvigstad
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DF91: Ratheiser RTH,3.Aufl.,1964
Egon Penker
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):598
Collection of
Collection of a member from FIN Collection of a member from D |
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