Antique radios, Old Time Radios
Unknown_HV-Rec
Country:
United States of America (USA)
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Identical to |
Unknown_HV-Rec
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Base |
Sidecontact and top contact.
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Filament |
Direct |
Description |
Possibly a tube for student testing in a laboratory.
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Dimensions (WHD) incl. pins / tip |
2 x 10 x mm / 0.08 x 0.39 x inch |
Information source |
-- Collector info (Sammler)
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Collection of
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Forum contributions about this tube
Unknown_HV-Rec
Threads: 1 | Posts: 2
Hits: 723 Replies: 1
Request Information on unknown tube.
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Bruce Morgenstern
01.Jan.21
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1
I would like to reccive any information anyone might have on the attached unknown tube.
Regards
Bruce Morgenstern Attachments
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Michael Watterson
04.Jan.21
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2
It's very like an EHT rectifier diode
Compare DY51 and DY87.
The filamentary cathode is driven by a couple of turns of EHT cable on the LOPT.
A TV CRT anode would be driven by the cathode of a rectifier. But a Travelling Tube and some Oscilliscope CRTs use negative EHT on the cathode and an earthed anode. Such tubes would be driven by the anode of the rectifier, the top cap.
I expect the housing has two contacts for filament/cathode and that the actual tube can be removed from it and either is wire ended or has pins.
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Unknown_HV-Rec
End of forum contributions about this tube
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