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| Country: |
United States of America (USA) |
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Brand: |
Common type USA |
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Tube type: |
Full-Wave Vacuum Rectifier Power-supply |
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Tube ID = 2861
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| Identical to |
80
= EX680
= UX280
= VT-80
= KX80
= 80G
= 280
= RGN380
= V580
= 180
= ER80
= 113A
= 480
= P280
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| Similar
Tubes |
5Y3G (other base)
1882 (other base)
5Y3GT (other base)
R52 (other base)
R80_USA (can normally be replaced - small diff'ce)
5AZ4 (other base)
80S (Heater different)
D1_USA (can normally be replaced - small diff'ce)
RGN2005 (other base)
1560 (other base)
G2005 (other base)
G5200 (other base)
80T (other shape (e.g. bulb, size))
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| First Series |
May.1927 Saga of the Vacuumtube, Tyne page 324 |
| First Source
(s) |
Mar.1927 : 70 Years of Radiotubes and V.
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| Predecessor Tubes |
UX280
UX213
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| Successor Tubes |
5Y3GT
5Y3G
5Y3GB
5W4
5AZ4
80S
RGN380
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|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Parallel, (AC/DC) /
If: 2 Ampere /
Vf 5 Volts /
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| Description |
The full-wave recitfier tube 80 is just a short name for the UX280, sometimes also named 280 or VT-80, KX-80, R80 or 80G.
History (Tyne 324): In 1925 two small full-wave rectifiers came on the market, the Westinghouse UV196, and the GE UX213. The UX213 was the first full-wave rectifier offered for sale by RCA. Work on this tube was started late in 1923. In December 1923 the designation Rectron UV213 was assigned. The final design was arrived at in the summer 1924 and was annunced as UX213 in September 1925. It was superseded in May 1927 by the UX280.
Westinghouse was working on a full-wave rectifier with a higher capacity than the UX213. The work was completed in April 1927 and anounced in May 1927.
Text in other
languages (may
differ)
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| Tube prices |
0 Tube prices (visible for members
only)
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| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
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Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
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my collection
Giuseppe Antonio Tusini
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| Variants |
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Telefunken Werkstattbuch
Wolfgang Bauer
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Data RCA tube
Paolo Giglio
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Variants |
M.G.
Marco Gilardetti |
80~violet glassThe 80 type tube used to be made in a distinctive violet glass by italian FIVRE factory. Both globe and ST shape. 04.Oct.2006 Marco Gilardetti |
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| Further Information for |
80 |
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80 (80) - Special Quality?
(13.07.2008) Roy Johnson
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Clicks: 189 Replies: 0 |
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The type 80 was manufactured by numerous companies and has a variety of constructions.
One such form designed to improved power handling and reliability was one with corrugated anodes/plates by National Union in 1935. This had only a short period of issue. (Stokes. J.W. p 111)
I have a specimen, shown here which bears on the base the words " Special Export Test ".
Is it known what testing was done or whether these were special quality tubes by design? It would seem that this is an early example of "special quality" tubes that were later manufactured or selected by test to meet special (usually military) requirements.
What other examples of "special quality" are known from the 1920s and 1930s?
Regards, Roy
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80 (80)
(05.05.2007) Vincent de Franco
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Clicks: 219 Replies: 0 |
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Le redresseur à deux alternances 80 est le nom raccourci de l'UX280, que l'on trouve aussi sous les dénominations 280 ou VT-80, KX-80, R80 ou 80G.
Historique (Tyne 324): En 1925, deux redresseurs ont été mis sur le marché le Westinghouse UV196, et le GE (General Electric) UX213. L'UX213 a été le premier redresseur à deux alternances mis en vente par RCA. Le travail sur cette lampe a commencé en 1923. En décembre 1923, le nom Rectron UV213 lui a été assigné. Le produit final est arrivé en été 1924 et fut annoncé sous le nom UX213 en septembre 1925. Il a été remplacé en mai 1927 par l'UX280.
Westinghouse travaillait sur un redresseur à deux alternance avec un capacité plus importante que l'UX213. Ce travail fut terminé en avril 1927 et annoncé en mai 1927.
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