Antique radios, Old Time Radios
56
| Country: |
United States of America (USA) |
|
Brand: |
Common type USA tube |
| |
Tube type: |
Triode, vacuum Universal |
|
Tube ID = 2680 |
 |
| Identical to |
56 = 256 = PH256 = A256 = G-56 = ER56 = VT-56 = PH56
|
| Similar
Tubes |
Other shape (e.g. bulb type): 56S; G-56-S Normally replaceable-slightly different: 38056 Other class quality (otherwise equal): CV611 Heater different: 76 Other base and other heater: 6P5G
|
| First Source
(s) |
1932 : The AWA Review Vol. 7, 1992.
Jun.1932 : -- Collector info (Sammler)
|
| Predecessor Tubes |
27
|
| Successor Tubes |
76
6P5G
56A
|
|
| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=H)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If: 1 Ampere / -: Indirect / -: Parallel, (AC/DC) / |
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
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| |
|
| |
56: Courtesy Bureau Belper (De Muiderkring, Bussum)
Michael Schlör
|
|
 |
 |
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56: Ingo Moll
Ingo Moll
|
| |
| Variants |
| |
|
56: TFK Werkstattbuch
Wolfgang Holtmann
|
| |
|
56: Sylvania Technical Manual
Peter Hoddow
|
|
Variants
A. De Poi's collection Alessandro De Poi |
56*violet glass
The 56 type tube used to be made in a distinctive violet glass by early FIVRE production. Although color is violet, these tubes are commonly referred and known as "red Fivre tubes".
03.Dec.2007 Alessandro De Poi
|
|
56*Arcturus_blue
Arcturus version w/ blue bulb
06.Jan.2010 Jacob Roschy
|
Collezione personale Massimo Pedrina |
| |
|
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