Antique radios, Old Time Radios
DL3_deForest
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Country:
United States of America (USA)
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Brand:
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DeForest-Tubes |
| Tube type: |
Triode, vacuum Detector |
| |
Ca. 1925 up to 1945 rare. |
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| Identical to |
DL3_deForest
|
| Similar
Tubes |
Other base:
DV3A
Other base and data slightly different:
DV3
|
| First year |
1927
??
Saga of the Vacuum Tube, Tyne Seite 301
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| First Source
(s) |
Aug.1930 : Philips Bulletin R1164, p. 32
|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3 Volts / If 0.06 Ampere / Direct / Battery = |
| Description |
Plate voltage 90. First made 1927 and fitted with "Isolantite" base (a type of ceramic). Discontinued 1928. The element assembly is mounted horizontally to the base.
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
34 x 77 x mm / 1.34 x 3.03 x inch |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Saga of the Vacuum Tube, Tyne page 301
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DL3_deForest: O.F.
Otto Frosinn
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