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70L7GT

Information - Help 
ID = 3146
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  HalfWave Rectifier-BeamPowerTetrode 
Identical to 70L7GT = 70L7
Similar Tubes
Multiple differences or of other kind:
  70A7GT
First Source (s)
28.Mar.1939 : Electron Tube Registration List
Predecessor Tubes 32L7GT   25A7GT   12A7  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uhb)
Filament Vf 70 Volts / If 0.15 Ampere / Indirect / Series, AC/DC
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  70l7.png
  70L7GT: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
70l7_01r.jpg
70L7GT: Collection JR
Jacob Roschy

 
70l7gt_so.png
70L7GT: ARRL Handbook 1972
Michael Schlör

 
70l7gt_techdat01.png
70L7GT: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1938? ; 1= 1938 ; 13= 1939? ; 23= 1939 ; 2= 1940?? ; 7= 1940? ; 11= 1940 ; 2= 1942? ; 2= 1942 ; 2= 1947?? ; 1= 1950?? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):66



Forum contributions about this tube
70L7GT
Threads: 1 | Posts: 1
Hits: 3409     Replies: 0
70L7GT (70L7GT)
Jacob Roschy
28.Sep.06
  1

Artikel: Selbstbau- 3- Röhren- Super mit 70L7GT für 230 V.

 
70L7GT
End of forum contributions about this tube

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