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7730

Information - Help 
ID = 6208
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Hytron; Salem (MA) 
Tube type:  Double Triode   Universal 
Identical to 7730
Similar Tubes
Multiple differences or of other kind:
  12AU7 ; ECC82
First Source (s)
04.Jul.1960 : Electron Tube Registration List 2870
Predecessor Tubes 12AU7  

Base Noval, B9A
Was used by Technology / Measurement
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect
Description

Premium 12AU7, ruggedized and aged. Gold plated base pins.
Industrial or instrument service.
Registered to CBS.

Center tapped heater allows operation from either 6.3 V or 12.6 V heater supply

 
Text in other languages (may differ)
Literature Essential Characteristics, GE 1973   
Röhren-Taschen-Tabelle, (Franzis RTT)   
Tube Lore (I)
- - Manufacturers Literature
 
no15_g.gif
7730: RTT Schwandt
Günther Stabe

 
2870_reg~~2.png
7730: Manufacturer's Literature
Emilio Ciardiello


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