Antique radios, Old Time Radios

70L7GT

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 / Specified current AC/DC ~ = (Series working)

Tube prices

1 Tube prices (visible for members only)

Information source

Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49

70L7GT: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Anonymous 10 Collector
70L7GT: ARRL Handbook 1972 Anonymous 10 Collector More ...	Just Qvigstad	70L7GT: Sylvania Technical Manual Peter Hoddow More ...

Usage in Models

1= 1938? ; 1= 1938 ; 15= 1939? ; 22= 1939 ; 2= 1940?? ; 7= 1940? ; 10= 1940 ; 3= 1942? ; 2= 1942 ; 2= 1947?? ; 1= 1950?? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):67

Museum "Wireless In Wales Museum"

Collection of

Robert Gillespie (USA)

70L7GT

Forum contributions about this tube

70L7GT

Threads: 1 | Posts: 1

Hits: 4192 Replies: 0 70L7GT (70L7GT)
Jacob Roschy 28.Sep.06	1 70L7GT (70L7GT) Artikel: Selbstbau- 3- Röhren- Super mit 70L7GT für 230 V.

70L7GT
End of forum contributions about this tube

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