Antique radios, Old Time Radios
Y-678
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Country:
United States of America (USA)
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| Identical to |
Y-678
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| Similar
Tubes |
Different connections:
Y-670
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| Filament |
Vf 6.3 Volts / If 2.25 Ampere |
| Description |
Is a ceramic and metal construction planar triode designed for use in airborne, ground and space applications as a grid or plate pulsed oscillator, amplifier, or frequency multiplier. Same as Y-670 but this has solder tabs.
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| Information source |
-- Original-techn. papers.
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