Antique radios, Old Time Radios
8RR4
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Country:
Great Britain (UK)
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| Identical to |
8RR4
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| Similar
Tubes |
Other base:
VT4_GPO
Other base and data slightly different:
VT15_GPO
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| Base |
SPECIAL TUBEBASE in general
Other combinations of connections.
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| Was used by |
Military and/or Government |
| Filament |
Direct / Specified voltage AND current AC/DC |
| Description |
Extremely rare 15 watt transmitting tube. Base consists of a brass tube 30 mm wide and 50 mm long. A fibre disk is recessed into the tube about 10mm and contains 4 stud contacts. The base shell has a bayonet fitting for placing the tube into an appropriate socket. This base is similar to the base on the Post Office tube shown on page 83 - Figure 8.3. - VT15. In te VT15 tube, the contacts are exposed pins.
No data has so far been found on this tube (8RR4) but one did exist in a collection in New Zealand. Tube was seen by this administrator and more research continues.
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Dimensions (WHD)
incl. pins / tip |
55 x x mm / 2.17 x x inch |
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| Data Compliance |
More Information |
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