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Country:
Worldwide
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Brand:
|
Common type Worldwide tube/semicond.
Genalex, BGE (brand), British General Electric Co. Pty Ltd.; Sydney, NSW.
Elecson; Paris, Puteaux
Elevam エレバム, Miyata Seisakujo; Tokyo
Apollo Radio Tube Company; New York City, NY, Irvington, NJ
Arcturus Radio Tube Co.; Newark, NJ
Aristocrat; (where?)
Columbia Radio Laboratories Inc. (Columbiatron); New York City, NY
DeForest-Tubes
Gold Bond (tube brand)
Hytron; Salem (MA)
Lafayette Radio & TV Corp; New York (NY)
Little Giant (tube brand), L & G Tube Company; Providence, RI
Philco, Philadelphia Stg. Batt. Co.; USA
Raytheon Mfg. Co.; Cambridge, MA
Songbird (brand)
Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Trail Blazer (tubes), Montgomery Ward; Chicago, IL
Triad Television & Mfg. Co.; Pawtucket, RI
Van Dyke Laboratories; Newark, NJ
Wireless Corp. of America; Chicago, Illinois
Wizard (tube brand); (where ?)
|
| Developer: |
Westinghouse El. & Mfg. Co. - see also Canadian W. |
| Tube type: |
Triode, vacuum Universal |
|
| Identical to |
27
= DE-1
= 227
= 127
= A227
= UY227
= P227_USA
= F209
= SY227
= NY-227
= ER227
= N27
= CV944
= T27
= LS227
= NY-27
= Z-27
= C227
= PH227
= MY227
= UY-227_Japan
= VY227
= C-427
= TS227
= 38027
= VT-29
= 427
= G-27
= EY627
= AC227
= 627
= Y227
= GY227
= T-227
= EY227
= AC527_Armor
= 227-C
= UY627
= PA227
= SLY227
= AX227
= LY227
= C327
|
| Similar
Tubes |
Other shape (e.g. bulb type):
G-27-S
; M27
Normally replaceable-slightly different:
27S
; AGX2270
; CL-27
; CY227
; DE1_Arcturus
; F209A
; FY227
; K27
; R30
; SE-3373
; UY-27B
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This tube was originally made with an S14 bulb.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: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonymous 10 Collector
|
27: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
|
Just Qvigstad
|
27: Sylvania Technical Manual
Peter Hoddow
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2194
Collection of
Collection of a member from D Collection of a member from E Collection of a member from FIN |
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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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