radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

G-6A7-S

Information - Help 
ID = 8668
       
Country:
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to G-6A7-S
Similar Tubes
Other shape (e.g. bulb type):
  6A7 ; 6A7E ; CV1870 ; G-6A7 ; Ut-6A7 ; Ut6A7
Other class quality (otherwise equal):
  NU-6A7 ; NU-6A7S

Base 7-Pin-Base U7A = small, old, USA (Codex=Mh) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description

With sprayed metal shield - referred to as "other bulb shape" in "similar tubes"

 
Dimensions (WHD)
incl. pins / tip
x 116 x 38 mm / x 4.57 x 1.50 inch
Weight 39 g / 1.38 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
70 Years of Radiotubes and V.   p.180
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

g6a7s_so.png G-6A7-S: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad

Collection of

 
usa_majestic_491_tube_g_6a7_s.jpg

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information