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Country:
United States of America (USA)
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Brand:
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Common type USA tube/semicond.
Amalgamated Wireless Valve Co. Ltd. (AWV); Sydney, NSW
Genalex, BGE (brand), British General Electric Co. Pty Ltd.; Sydney, NSW.
Osram (tubes/valves) - see British General Electrics; Sydney
Philips Australia
Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC
Tungsram; Budapest (see also British T.)
Arcturus Radio Tube Co.; Newark, NJ
Aristocrat; (where?)
General Electric Co. (GE); Bridgeport CT, Syracuse NY
Raytheon Mfg. Co.; Cambridge, MA
RCA (RCA Victor Co. Inc.); New York (NY)
Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Triad Television & Mfg. Co.; Pawtucket, RI
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| Tube type: |
Double Diode-Triode Universal |
|
| Identical to |
75
= VT-75
= 275
= UZ-75
= A675
= 675
= 175
= 375
= CV1419
|
| Similar
Tubes |
Other class quality (otherwise equal):
38075
; CV614
Heater different:
2A6
Other base:
6B6
; 6B6M
; 6SQ7
; 75_Coronet
Other base and other heater:
11D3
; 6B6G
Multiple differences or of other kind:
6Z-DH3
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| First year |
1933
-- Collector info (Sammler)
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| First Source
(s) |
1933 : The AWA Journal Vol. 7, 1992.
Nov.1933 : -- Collector info (Sammler)
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| Predecessor Tubes |
2A6
|
|
Successor Tubes
|
1936
6Q7
6Q7G
6B6
6Q7GT
6Q7MG
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| Base |
6-Pin-Base U6A, old, USA (Codex=Ka)
Top contact with a cap.
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current 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.
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Dimensions (WHD)
incl. pins / tip |
x 123 x 34 mm / x 4.84 x 1.34 inch |
| Weight |
38 g / 1.34 oz |
| Tube prices |
3 Tube prices (visible for members
only)
|
| Information source |
Essential Characteristics, GE 1973
Tube Lore (II) p. 28
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49
|
75: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonymous 10 Collector
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75: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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75: 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):4969
Collection of
Collection of a member from FIN Collection of a member from D
| Documents about this component |
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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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