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ID = 5472
Tube type:  Vacuum Pentode 
Identical to 14A7/12B7 = 14A7 = 12B7

Information source Essential Characteristics, GE 1973   

14a712b7_so.png 14A7/12B7: ARRL Handbook 1972
Anonymous 10 Collector

Usage in Models 2= 1946?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of



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