radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

1R4

Information - Help 
ID = 4169
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Signal Diode - one single system 
Identical to 1R4 = VT-183 = 1294 = CV2709

Base Loctal-8, B8G (Sylvania, 1938) (Codex=Wh)
Filament Vf 1.4 Volts / If 0.15 Ampere / Indirect / Battery =
Tube prices 3 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  1r4.png
  1R4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
t831ak_01_1294_1r4~~1.jpg
1R4: Own collection
Valery Gromov

 
307.png
1R4: Telefunken Werkstattbuch
Wolfgang Bauer

 
1r4_techdat01.png
1R4: Sylvania Technical Manual
Peter Hoddow


Usage in Models 2= 1937? ; 1= 1942 ; 3= 1948?? ; 2= 1949 ; 1= 1950?? ; 1= 1950? ; 1= 1952 ; 1= 1954? ; 1= 1955

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13


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