Antique radios, Old Time Radios
98
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Country:
United States of America (USA)
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| Identical to |
98
= KR28
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| Similar
Tubes |
Normally replaceable-slightly different:
6Z4
; 84/6Z4
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| Predecessor Tubes |
KR28
|
| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=H)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6 Volts / If 0.5 Ampere / Indirect / Specified voltage AC/DC |
| Description |
This tube was developed by Ken Rad in 1933 for use in automobile receivers. It was also sold to the Utah company for use in field coil power supplies used in some of their theatre sound systems. This tube was the P861 but had "Made by Ken Rad" on the base. It was originally sold as the KR28.
|
Dimensions (WHD)
incl. pins / tip |
x 103 x 38 mm / x 4.06 x 1.50 inch |
| Weight |
34 g / 1.20 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (II) Page 29
-- Collector info (Sammler)
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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98
Anonymous 10 Collector
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
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