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País:
Worldwide
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Marca:
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Common type Worldwide tube/semicond.
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
Purotron, Raga AG; Zürich
Brimar (STC); Foots Cray
Mazda = Valve (Tube) brand GB (see also France)
Philco Radio & Television Corp. of Great Britain Ltd.; London
Tungsram (Tube Brand), Tungsram Electric Lamp Works (Great Britain), Ltd.; London, British Tungsram Radio Works, Ltd.; London
Fivre - tubes; Milano (MI)
Arcturus Radio Tube Co.; Newark, NJ
Bamberger, L. & Co; Newark, NJ
National Union Radio Corp.; Orange (NJ)
Raytheon Mfg. Co.; Cambridge, MA
Silvertone (tubes) - see also Sears; Chicago, IL
Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Triad Television & Mfg. Co.; Pawtucket, RI
Zenith (tubes), Duratron Radio Tube Corp.; New Jersey
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| Tipo: |
Vacuum Pentode RF/IF-Stage Controlling (mu) |
|
| Idéntica a |
78
= 78E
= UZ-78
= UZ78
= A678
= VT-78
= AG78
= CV2544
= G78
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| Válvulas similares |
Other shape (e.g. bulb type):
M78
Substituya normalmente -diferencia peq.:
38078
; T78
Other class quality (otherwise equal):
1604
Heater different:
24/78
; 337A
; 88S
Otra base:
6K7G
; 78_Coronet
|
| Primera serie |
1933
The AWA Journal Vol. 7, 1992
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| Fuente principal
(es) |
Mar.1933 : -- Collector info (Sammler)
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| Válvulas Predecesoras |
58
|
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Válvulas Sucesoras
|
6K7G
6K7
6K7GT
6K7MG
|
| Base |
6-Pin-Base U6A, old, USA (Codex=Kf)
Top contact with a cap.
|
| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 6.3 Volt / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
| Descripción |
Remote cutoff RF/IF amplifier.
* 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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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 118 x 34 mm / x 4.65 x 1.34 inch |
| Peso |
38 g / 1.34 oz |
| Precios de válvulas |
1 Precios de válvulas (visible
solo para miembros)
|
| Literatura |
Essential Characteristics, GE 1973
Tube Lore (II) p. 28
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49
|
78: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anónimo 10 Coleccionista
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78: Telefunken Werkstattbuch
Wolfgang Bauer
Mas ...
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Just Qvigstad
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78: Sylvania Technical Manual
Peter Hoddow
Mas ...
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Número de
modelos en Radiomuseum.org con esta
válvula:2535
Colección personal de
Colección personal de un miembro de FIN Colección personal de un miembro de D Colección personal de un miembro de I Colección personal de un miembro de FIN
| Documentos para este componente |
| |
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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Variantes
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Metal coated cylindrical glass version. Complete name: M78. The letter "M" appears only on the boxes and enclosed paperwork, not on the tubes.
Please klick here: M78
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