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ID = 25459
Brand: Common type Japan tube/semicond.
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to 6WC5 = 6W-C5
Similar Tubes
Other base and data slightly different:
Predecessor Tubes 6A7  
Successor Tubes 1946   6BE6   6SA7GT  

Base 7-Pin-Base U7A = small, old, USA
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.35 Ampere / Indirect / Specified voltage AC/DC

The note “base B7G” in Babani Book 3 is wrong !

Text in other languages (may differ)
Information source Babani, International Radio Tube Encyclopaedia   Book 3 / p.27

6WC5: Typische Schaltundsschema 6W-C5
Adrian Riesen
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6wc5~~1.png 6WC5: 7 Stift Sockel U7A (wie 6A7)
Adrian Riesen

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Just Qvigstad
6WC5: Hitachi Receiving Tube ct 578
Adrian Riesen

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Usage in Models 1= 1948 ; 1= 1949?? ; 1= 1949 ; 1= 1951? ; 1= 1952?? ; 1= 1953?? ; 2= 1953? ; 1= 1953

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):9


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