Antique radios, Old Time Radios
EF85
Country:
Europe
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Identical to |
EF85
= W719
= 6F19
= 6F26
= 6BY7
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Similar
Tubes |
Other class quality (otherwise equal):
E85F
; EF865
Heater different:
3BY7
; HF85
; UF85
; XF85
Multiple differences or of other kind:
EF805S
|
First year |
1951
Tube leaflet collection E.Erb Analysis by original leaflets
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First Source
(s) |
Jun.1951 : Funkschau # 12
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Predecessor Tubes |
EF15
EF43
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Successor Tubes
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EF89
EF183
EF865
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Base |
Noval, 9 pin miniature (USA pico-9) B9A
|
Was used by |
Radio/TV-reception etc. |
Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
Dimensions (WHD) incl. pins / tip |
22 x 67 x mm / 0.87 x 2.64 x inch |
Weight |
20 g / 0.71 oz |
Tube prices |
19 Tube prices (visible for members
only)
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EF85: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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EF85: RTT 1974 (Franzis) 13. Auflage
Martin Renz
More ...
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Just Qvigstad
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EF85: Manufacturer's Literature
Emilio Ciardiello
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2734
Collection of
Collection of a member from FIN Collection of a member from FIN Collection of a member from D Collection of a member from D
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Variants
The early Philips productions of noval tubes were run on the same lines already in use for rimlock valves. These productions are identifiable by the sharp and regular edge of the base, glass frit bonded or glazed to the body. Another peculiar feature of these tubes is that the electrode pack is firmly welded to some of the base pins, no large mica spacers pressed against the internal wall of the envelope.
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