Antique radios, Old Time Radios
PTT205
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Country:
France
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Brand:
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| Tube type: |
Vacuum Pentode Power/Output |
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| Identical to |
PTT205
= R117
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| Similar
Tubes |
Normally replaceable-slightly different:
R117N
Other base and data slightly different:
PTT203
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 10 Volts / If 0.7 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Pentode à longue durée de vie pour amplification de puissance.
Not listed in the 1950 Rohren-Codex or any of the other usual reference books.
Text in other
languages (may
differ)
|
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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PTT205: rtt
Anonymous 10 Collector
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Just Qvigstad
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PTT205: Technique de l'ingénieur
Patrice Zeissloff
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Collection of
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