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ID = 20781
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Beam Power Tube   Power/Output 
Identical to 6L6WGA = 5932
Similar Tubes
Other shape (e.g. bulb type):
Multiple differences or of other kind:
Predecessor Tubes 12A5  

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.9 Ampere / Indirect / Specified voltage AC/DC

Ruggedized tube introduced by Sylvania in 1948, capable of withstading 450 G shocks. Large 7-pin octal phenolic base.

The tube has a quite unique internal structure, obtained paralleling two electrode mounts, derived from the 14A5. 19 W plate power dissipation.

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Tube prices 1 Tube prices (visible for members only)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
6L6WGA: Private collection
Emilio Ciardiello

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6L6WGA: RTT Schwandt
Günther Stabe † 19.8.20

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