Antique radios, Old Time Radios
SN1778A
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Country:
United States of America (USA)
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| Identical to |
SN1778A
= 5977
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Successor Tubes
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5977
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| Base |
Subminiatur-8, with space 1/8, B8D
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| Filament |
Vf 6.3 Volts / If 0.15 Ampere / Indirect |
| Description |
High-rel medium-mu single triode.
The prefix SN was given to Sylvania experimental tubes. This tube was later registered under RMA code 5977.
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| Information source |
-- Original prospect or advert Electronics, May 1957
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SN1778A: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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