Antique radios, Old Time Radios
RJ550
Country:
United States of America (USA)
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Identical to |
RJ550
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Base |
Westinghouse 4 pin
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Was used by |
Industrial |
Filament |
Vf 6 Volts / If 0.92 Ampere / Direct / Specified voltage AC/DC |
Description |
This tube is a low grid current triode suitable for photocell amplifying. First made in 1931
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Information source |
Tube Lore (II) Page 256
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