Antique radios, Old Time Radios
416D
Country:
United States of America (USA)
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Identical to |
416D
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Predecessor Tubes |
416C
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Was used by |
Transmittertube (Radio) |
Filament |
Vf 6.3 Volts / If 1.18 Ampere / Indirect |
Description |
Planar triode, gold plated body; top pin to anode, threaded grid ring, four pin base. Initially glass spacers, later BeO ceramic. Mu 250, Gm 65 mS; selected for 5W out power at 4GHz.
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Information source |
Tube Lore (I)
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Collection of
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