Antique radios, Old Time Radios
5977
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Country:
United States of America (USA)
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| Identical to |
5977
= SN1778A
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| Similar
Tubes |
Normally replaceable-slightly different:
5977A
Different connections:
6K4_USA
Other base and data slightly different:
CK608CX
|
| First Source
(s) |
Feb.1957 : - - Manufacturers Literature Sylvania Datasheet
28.Sep.1950 : Electron Tube Registration List
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| Predecessor Tubes |
SN1778A
6K4_USA
|
| Base |
Subminiatur-8, with space 1/8, B8D
|
| Filament |
Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Medium-mu power triode, mu 16, 1.2W. High-rel 6K4.
GE, Raytheon, Sonotone, Sylvania and Tung-Sol known manufacturers.
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
10 x 35 x mm / 0.39 x 1.38 x inch |
| Tube prices |
3 Tube prices (visible for members
only)
|
| Information source |
Essential Characteristics, GE 1973
Tube Lore (I)
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5977: Schematic from my documents.
Pier Antonio Aluffi
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5977: Essential characteristics
Peter Hoddow
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Just Qvigstad
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5977: Röhren-Handbuch 1995 Franzis-Verlag
Heinz Höger
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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| Data Compliance |
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