Antique radios, Old Time Radios
HSR21
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Country:
Switzerland
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| Identical to |
HSR21
= BR21
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| Base |
No base
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| Filament |
--/-- |
| Description |
Hochstrom-Impulsröhre, arbeitet im Bogenentladungsgebiet.
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Dimensions (WHD)
incl. pins / tip |
53 x 190 x mm / 2.09 x 7.48 x inch |
| Information source |
Schweizer Elektronenröhren 1917-2003, Willi E. Seite 110
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