radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

R3

Information - Help 
ID = 8081
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to R3
Similar Tubes
Different maximum ratings:
  R2
Predecessor Tubes R2  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Em)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2.5 Ampere / Half indirect
Description

Brimar Data book 1947-48 quotes mean rectified current as <120mA.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
r3_19rm1762h.jpg
R3: Collection JR
Jacob Roschy

 
150_9.png
R3: Telefunken Werkstattbuch
Wolfgang Bauer

 
r2_r3_brimar_no.4_p165~~1.png
R3: Brimar Radio Valves and Teletube Manual No.4
Anonymous 1038 Collector


from Just Qvigstad

Usage in Models 4= 1934 ; 1= 1935?? ; 1= 1935? ; 6= 1935 ; 3= 1936? ; 1= 1936 ; 1= 1937 ; 2= 1938 ; 1= 1946

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20


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