Antique radios, Old Time Radios
1DP1_red-screen
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Country:
United States of America (USA)
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| Identical to |
1DP1_red-screen
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| Similar
Tubes |
Normally replaceable-slightly different:
1DP1
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| First Source
(s) |
26.Mar.1956 : Electron Tube Registration List
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Filament |
Vf 6.3 Volts / If 0.215 Ampere / Indirect |
| Description |
National Union made its family of 1-inch CRT, noval base, no exposed exhaust tip. They were available with different screens, P1, P4, P7, P11. There were also other tubes with the same electron gun but made to custom's specs. This developmental type has reddish phosphor.
- 150V A1, 600V A2, -40V grid cutoff
- 280V/inch vertical and horizontal deflection sensitivity.
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Dimensions (WHD)
incl. pins / tip |
30 x 103 x mm / 1.18 x 4.06 x inch |
| Information source |
-- Original-techn. papers.
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Just Qvigstad
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Collection of
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| Data Compliance |
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