Antique radios, Old Time Radios
NR7A
|
Country:
Great Britain (UK)
|
|
| Identical to |
NR7A
|
| Similar
Tubes |
Normally replaceable-slightly different:
NR7
Other characteristic (electr. data):
NR13
|
| Base |
IS-1 (Interservice, UK 1918)
Sidecontact.
|
| Was used by |
Military and/or Government |
| Filament |
Vf 3.5 Volts / Direct / Specified voltage AND current AC/DC |
| Description |
This was among the last of the "R" series tubes manufactured for the UK Navy and is very similar to the NR7 and the NR13. Elements mounted vertical to axis of tube.
|
Dimensions (WHD)
incl. pins / tip |
33 x 81 x mm / 1.30 x 3.19 x inch |
| Information source |
British Radio Valves - The Vintage Years: 1904-1925 p. 119
|
Collection of
|
|
|
|
You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
More Information |
|
|
|
