Antique radios, Old Time Radios
5687WB
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| Identical to |
5687WB
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| Similar
Tubes |
Normally replaceable-slightly different:
5687WA
Other class quality (otherwise equal):
5687
|
| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Filament |
Vf 12.6 Volts / If 0.45 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Dual triode for computer use. Cathode material assures low interface resistance even after prolonged cut-off conditions. Heaters can be series connected, 12.6V, 0.4A.
Note the unusual base connections, with the heater center tap to pin 8 and the anode of second triode to pin 9.
Text in other
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| Tube prices |
2 Tube prices (visible for members
only)
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| Information source |
-- Collector info (Sammler)
Tube Lore (I)
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5687WB: RTT Schwandt
Günther Stabe † 19.8.20
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