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ID = 2089
Tube type:  Triode, vacuum 
Identical to RE074s
Similar Tubes
Normally replaceable-slightly different:
  410H ; SM300

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Direct

410h_so~~2.png RE074s: rtt
Anonymous 10 Collector

Just Qvigstad
Usage in Models 4= 1928 ; 2= 1929 ; 2= 1930 ; 3= 1931

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):11


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