Antique radios, Old Time Radios
4W300B
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Country:
United States of America (USA)
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| Identical to |
4W300B
= 8249
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| Predecessor Tubes |
4X150A
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| Filament |
Vf 6 Volts / If 2.8 Ampere / Indirect |
| Description |
Water-and-air-cooled variant of 4X150A. Rated for 300W plate dissipation, delivers 140W RF out at 500MHz.
Required the Eimac 4X150A/4001 socket.
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| Information source |
-- Original-techn. papers. Electronics, Junly. 1956, pg 253
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4W300B
Emilio Ciardiello
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4W300B: Manufacturer's Literature
Emilio Ciardiello
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