Stato:
USA (Stati Uniti d'America)
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Produttore:
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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
Stella (tubes); (where?)
Raytheon Mfg. Co.; Cambridge, MA
Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Triad Television & Mfg. Co.; Pawtucket, RI
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Tipo: |
Pentodo a vuoto Universal |
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Identico a |
77
= UZ-77
= 77E
= A677
= ER77
= VT-77
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Valvole
simili |
Other shape (e.g. bulb type):
M77
Sostituita normalmente - piccola diff.:
38077
; 6C6
Other class quality (otherwise equal):
CV616
Heater different:
24/77
; 57
Altra base:
6D7
; 6J7G
; 77M
; 77_Coronet
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Prime serie |
1933
The AWA Journal Vol. 7
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Prime
informazioni |
Mar.1933 : -- Collector info (Sammler)
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Sostituisce i modelli |
57
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Evoluzioni
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1933
6J7
6D7
6J7G
6J7MG
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Zoccolo |
6-Pin-Base U6A, old, USA (Codex=Kf)
Top contact with a cap.
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Utilizzata per |
Radio/TV-reception etc. |
Filamento |
Vf 6.3 Volt / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
Descrizione |
Triple grid detector 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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Dimensioni (LxAxP) incl.pins/tip |
x 118 x 34 mm / x 4.65 x 1.34 inch |
Peso |
38 g / 1.34 oz |
Quotazioni |
3 Quotazioni (visibili solo per gli
associati)
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Bibliografia |
Essential Characteristics, GE 1973
Tube Lore (II) p. 28
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49
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77: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonimo 10 Collezionista
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77: Telefunken Werkstattbuch
Wolfgang Bauer
Segue ...
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Just Qvigstad
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77: Sylvania Technical Manual
Peter Hoddow
Segue ...
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Numero
totale di modelli di Radiomuseum.org che
utilizzano questa valvola:675
Collezione di
Collezione di un iscritto da FIN
Documenti per questo componente |
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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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Varianti
Metal coated cylindrical glass version. Complete name: M77. The letter "M" appears only on the boxes and enclosed paperwork, not on the tubes.
Please klick here: M77
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