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27

Information - Help 
ID = 2659
       
Country:
Worldwide
Brand:
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Triode, vacuum   Universal 
Identical to 27 = DE-1 = 227 = 127 = A227 = UY227 = ER227 = 38027 = VT-29 = F209 = N27 = 427 = G-27 = CV944 = EY627 = PH227 = MY227 = 627 = Y227 = UY627 = C227 = NY-227 = C-427 = TS227 = P227_USA = GY227 = T-227 = EY227 = AC527_Armor = 227-C = PA227 = T27 = LS227 = AX227 = LY227 = AC227 = UY-227_Japan = VY227 = SY227 = Z-27 = NY-27 = SLY227 = C327
Similar Tubes
Other shape (e.g. bulb type):
  G-27-S ; M27
Normally replaceable-slightly different:
  27S ; AGX2270 ; CY227 ; DE1_Arcturus ; F209A ; FY227 ; K27 ; R30 ; SE-3373
Other base:
  27_Coronet
Multiple differences or of other kind:
  27_small
First year 1927 Radios von gestern, 2. Auflage
First Source (s)
Sep.1927 : -- Collector info (Sammler)
Successor Tubes 56  

Base UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Description

This tube was originally made with an S14 bulb. This was changed about 1931-32 to ST12 bulb by most manufacturers.. Arcturus also made the tube with an S12 bulb

 
Dimensions (WHD)
incl. pins / tip
41 x 91 x mm / 1.61 x 3.58 x inch
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 26
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

27.png
27: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonymous 10 Collector

446_1.png 27: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
27_techdat01.png
27: Sylvania Technical Manual
Peter Hoddow

More ...
Usage in Models 1= 1927?? ; 1= 1927? ; 67= 1927 ; 3= 1928?? ; 6= 1928? ; 136= 1928 ; 12= 1929?? ; 22= 1929? ; 202= 1929 ; 38= 1930?? ; 39= 1930? ; 262= 1930 ; 35= 1931?? ; 117= 1931? ; 619= 1931 ; 24= 1932?? ; 182= 1932? ; 224= 1932 ; 14= 1933?? ; 27= 1933? ; 78= 1933 ; 10= 1934?? ; 6= 1934? ; 12= 1934 ; 6= 1935?? ; 5= 1935? ; 10= 1935 ; 3= 1936?? ; 4= 1936? ; 3= 1936 ; 1= 1938? ; 1= 1938 ; 1= 1940?? ; 1= 1940 ; 7= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2179

Collection of

 
27_51rm10p.jpg

27
 

Variants

Metal coated cylindrical glass version. Complete name: M27. The letter "M" appears only on the boxes and enclosed paperwork, not on the tubes. Please klick here: M27


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