Antique radios, Old Time Radios
TS9
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Country:
Netherlands
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| Identical to |
TS9
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| Similar
Tubes |
Normally replaceable-slightly different:
4631
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Was used by |
Telephony |
| Filament |
Vf 2 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC |
| Description |
Lt. Originaldatenblatt:
Ua = 130V
Ug1 = -1,5V
Ia = 0,8 mA
Innenwiderstand: 50 kOhm
Verstärkungsfaktor: 30
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| Information source |
-- Collector info (Sammler)
-- Original-techn. papers.
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TS9: Fin Stewart
Fin Stewart
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Just Qvigstad
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TS9: Herstellerdatenblatt
Stefan Müller
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