Radios antiguas y Radios de Colección
2B7
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País:
Estados Unidos
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Marca:
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Common type USA tube/semicond.
Genalex, BGE (brand), British General Electric Co. Pty Ltd.; Sydney, NSW.
Ken-Rad - see also Amalgamated Wireless Valve Co.
Murdoch's Ltd.; Sydney
Osram (tubes/valves) - see British General Electrics; Sydney
Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC
All Wave Tube Company; Pawtucket, RI
Keletron (Tube brand)
Philco, Philadelphia Stg. Batt. Co.; USA
Raytheon Mfg. Co.; Cambridge, MA
Real Tone Tube Co.; Pawtucket, RI
Roytron (tubes) - see also Triad Television & Mfg. Co.; Pawtucket, RI
Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Triad Television & Mfg. Co.; Pawtucket, RI
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| Diseñador: |
RCA (RCA Victor Co. Inc.); New York (NY) |
| Tipo: |
Double Diode-Pentode Universal Controlling (mu) |
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| Idéntica a |
2B7
= Ut2B7
= ER2B7
= PH2B7
= VT157_GPO
= CV1706
= NU-2B7
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| Válvulas similares |
Other shape (e.g. bulb type):
G-2B7-S
Substituya normalmente -diferencia peq.:
2B7EE
; 2B7S
; 38227
Heater different:
6B7
Other base and other heater:
6B8G
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| Fuente principal
(es) |
1933 : The AWA Journal Vol. 7
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Válvulas Sucesoras
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6B8
6B8G
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[rmxtube-en]
| Cumplimiento de datos |
Más información |
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