Antique radios, Old Time Radios
GR27-1
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Country:
Germany
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| Identical to |
GR27-1
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| Similar
Tubes |
Normally replaceable-slightly different:
GR140/F
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| Base |
Edison medium E14 = 14 mm, mignon
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| Was used by |
Technology / Measurement |
| Filament |
--/-- |
| Description |
Uz = 200V
Ustab = 140V
I = 0,1...1.0mA
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 490
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GR27-1: Universal Vade-Mecum
Stefan Müller
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Just Qvigstad
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