Antique radios, Old Time Radios
B2043_B6
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Country:
Netherlands
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| Identical to |
B2043_B6
= 20C4_Ultron
= Pen20
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| Similar
Tubes |
Normally replaceable-slightly different:
UP20_B6
Other base:
B2043
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| First Source
(s) |
Nov.1931 : -- Original-techn. papers.
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Successor Tubes
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1934
CL1
|
| Base |
Europe 6-Pin B6 (Hx B) 1933
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 20 Volts / If 0.18 Ampere / Indirect / Specified current DC = (Series working) |
| Description |
It's the output pentode of the new series of indirectly heated tubes for DC mains operation with standardized 180 mA heater current. Simultaneously it was the first indirectly heated output tube in continental Europe. It was available in 3 base versions.[Jacob Roschÿ, 2003-01-22]
Text in other
languages (may
differ)
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|
B2043_B6: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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Just Qvigstad
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Collection of
Collection of a member from D |
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Variants
Also on B6 base.
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