Radio Antica e Radio d'epoca
WR
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Stato:
Gran Bretagna (Regno Unito)
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| Identico a |
WR
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| Prime serie |
May.1925
Saga of the Vacuum Tube, Tyne page 375
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| Descrizione |
only in Tyne p.375. WR1 and WR2 are known. WR may be a common naming for the special filament arrangement: An 8 ohm series resistor allowed to operate from 4 to 6 volt supply; if shortened by a thumbscrew the tube could be used with 2 volt L.T.
See WR1 and WR2
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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