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122

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ID = 56040
       
Country:
United States of America (USA)
Brand: Arcturus Radio Tube Co.; Newark, NJ
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 122 = OK-X-222 = 422 = SX222 = TX-222 = T-22DC = X222RF = PM222

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.13 Ampere / Direct / Battery =
Information source - - -   
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arcturus_122.jpg
122: Fin Stewart collection
Fin Stewart

 
ux222~~1.png
122: Fin Stewart
Fin Stewart

 

from Just Qvigstad

Usage in Models 1= 1928

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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