Antique Radios, Radio Museum, Radio Catalogue Old Time Radios
Old radios, english Alte Radios, deutsch Radios antiguas, español Musée de radio, francais Radio antiche, italiano
ER2A7 Info
Country:  United States of America (USA)      Brand:  Raytheon Mfg. Co.; Cambridge, USA (also tubes) 
  Tube type:  Pentagrid-Converter (Heptode)   Controlling (mu) 
Tube ID = 33893
previous  |  next
Identical to ER2A7 = 2A7

Base 7-Pin-Base U7A = small, old, USA Top contact with a cap
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel, (AC/DC) / If: 0.8 Ampere / Vf 2.5 Volts /

er2a7_so.png
ARRL Handbook 1972
Michael Schlör

 
Usage in Models   1= 1934 ;
Number of Models with this tube   1
No further Information for

ER2A7    

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]
rmXorg-08
About Radiomuseum.org  |  Contact  |  Press  |  Privacy  |  Copyright  |  Logos  |  send2friend
03DecX