Country:
United States of America (USA)
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Brand:
|
Common type USA tube/semicond.
Genalex, BGE (brand), British General Electric Co. Pty Ltd.; Sydney, NSW.
Osram (tubes/valves) - see British General Electrics; Sydney
Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC
Arcturus Radio Tube Co.; Newark, NJ
Kadette (tube brand) - see also International Radio Corp.; Ann Arbor, MI
Ken-Rad, The Kentucky Radio Corporation; Owensboro, KY
Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Triad Television & Mfg. Co.; Pawtucket, RI
|
Developer: |
RCA (RCA Victor Co. Inc.); New York (NY) |
Tube type: |
Vacuum Pentode Power/Output |
|
Identical to |
41
= ER41
= VT-48
= PH41
= PA
= NU-41
|
Similar
Tubes |
Other shape (e.g. bulb type):
41S
Normally replaceable-slightly different:
38041
; 41E
Other class quality (otherwise equal):
CV608
Other base:
6AR5
; 6K6G
; 6K6GT
; 7B5
; EL1
Other base and other heater:
EL2
Multiple differences or of other kind:
293A_WE
|
First year |
Sep.1932
-- Collector info (Sammler) Backed up by >20 models.
|
First Source
(s) |
1933 : The AWA Journal Vol. #7
|
Predecessor Tubes |
38
89
PA
|
Successor Tubes
|
6K6G
6AR5
6K6GT
EL2
EL1
7B5
|
Base |
6-Pin-Base U6A, old, USA (Codex=Kdo)
|
Was used by |
Radio/TV-reception etc. |
Filament |
Vf 6.3 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC |
Description |
* RMA/JEDEC register record available by courtesy of TCA* - This tube was already listed by several manufacturers when RMA started its standardization in 1934. In order to characterize popular receiving types, manufacturers were asked to supply average characteristics as measured on production lots. Here are the filled answer forms supplied by Radio Valve Co., Raytheon, Sparton, Triad, Tung Sol, Ken Rad, Hytron and Arcturus. Full record is downloadable here.
|
Dimensions (WHD) incl. pins / tip |
x 106 x 39 mm / x 4.17 x 1.54 inch |
Weight |
42 g / 1.48 oz |
Tube prices |
2 Tube prices (visible for members
only)
|
Information source |
Essential Characteristics, GE 1973
Tube Lore (II) p. 27
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
|
41: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonymous 10 Collector
|
41: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
|
Just Qvigstad
|
41: 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):2002
Collection of
Collection of a member from FIN Collection of a member from D
Documents about this component |
|
RMA qualification record for tube types 76, 77, 78, 6C6, 6D6, 75, 41, 42, 2A5, 85, 6F7, 80, 84 and 6A7. |
1569 KB |
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