Antique radios, Old Time Radios
38111A
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Country:
United States of America (USA)
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| Identical to |
38111A
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| Similar
Tubes |
Normally replaceable-slightly different:
38111
; WL-680
Other characteristic (electr. data):
211
; 835
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| Predecessor Tubes |
38111
|
| Base |
Jumbo 4-pin bayonet (1918)
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| Was used by |
Military and/or Government |
| Filament |
Vf 10 Volts / If 3.4 Ampere / Direct |
| Description |
Transmitting triode with a mu of 12.
Low-capacitance version of 211 for Xtal controlled oscillators up to a maximum frequency of 15 MHz.
May be replaced by 211 for non xtal application.
Also WA, ruggedized.
|
Dimensions (WHD)
incl. pins / tip |
x 200 x 65 mm / x 7.87 x 2.56 inch |
| Information source |
Tube Lore (I)
Tube Lore (II) p. 30 & 182
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38111A: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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