Antique radios, Old Time Radios
1P25
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Country:
United States of America (USA)
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| Identical to |
1P25
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| First Source
(s) |
03.Nov.1944 : -- Original-techn. papers. RCA RMA 930
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Successor Tubes
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1P25A
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| Base |
SPECIAL TUBEBASE in general
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| Was used by |
Military and/or Government |
| Filament |
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| Description |
Image converter tube I-R sensitive. 4 inches diameter cathode, 1 inch viewing screen. Peak response at 800 nm.
7 pin special base.
This is a multi anode image converter tube. It consists of a semi-transparent photocathode and an electrostatic focussing system. Operating range: Anode 1 - 10 v; Anode 2 - 10 to 200 v; Anode 3 (focus) 350 to 750 v; Anode 4 - 4 to 5KV.
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Dimensions (WHD)
incl. pins / tip |
x 115 x 38 mm / x 4.53 x 1.50 inch |
| Information source |
Tube Lore (I) Page 42
-- Collector info (Sammler)
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1P25: Manufacturer's Literature
Emilio Ciardiello
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1P25: Manufacturer's Literature
Emilio Ciardiello
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