Antique radios, Old Time Radios
104A
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Country:
United States of America (USA)
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| Identical to |
104A
= O_Western
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| First Source
(s) |
1917 : Saga of the Vacuum Tube, Tyne p.98
|
| Predecessor Tubes |
H_Western
103A
|
| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
|
| Was used by |
Telephony |
| Filament |
Vf 5.5 Volts / If 1.3 Ampere / Direct |
| Description |
Even lower plate impedance than the 101B (=L). Other name is "O".
|
Dimensions (WHD)
incl. pins / tip |
x 109 x 59 mm / x 4.29 x 2.32 inch |
| Weight |
58 g / 2.05 oz |
| Information source |
Tube Lore (II) p. 233
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|
104A: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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