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ID = 6824
Country:  United States of America (USA)      Brand: Common type USA tube/semicond.
  Tube type:  Full-Wave Vacuum Rectifier 
Identical to 88
Similar Tubes Normally replaceable-slightly different:
Different maximum ratings:

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 5 Volts / If 3 Ampere /
Description Sibley gives this tube as similar to 83-V, high-vacuum rectifier, uprated to 125mA at 450V.
The same source gives a Perryman 588, mercury replacement for type 80, also referred to as 88. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore, Sibley, USA 1996   

Francisc VISKY

Michael Schlör



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