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Identico a 78 = 78E = UZ-78 = UZ78 = A678 = VT-78 = AG78 = CV2544 = G78 Valvole simili Other shape (e.g. bulb type): M78 Sostituita normalmente - piccola diff.: 38078 ; T78 Other class quality (otherwise equal): 1604 Heater different: 24/78 ; 337A ; 88S Altra base: 6K7G ; 78_Coronet Prime serie 1933 The AWA Journal Vol. 7, 1992 Prime informazioni Mar.1933 : -- Collector info (Sammler) Sostituisce i modelli 58 Evoluzioni 6K7G 6K7 6K7GT 6K7MG
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Zoccolo 6-Pin-Base U6A, old, USA (Codex=Kf) Top contact with a cap. Utilizzata per Radio/TV-reception etc. Filamento Vf 6.3 Volt / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC Descrizione 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. Dimensioni (LxAxP) incl.pins/tip x 118 x 34 mm / x 4.65 x 1.34 inch Peso 38 g / 1.34 oz Bibliografia Essential Characteristics, GE 1973 Tube Lore (II) p. 28 -- Collector info (Sammler) Taschenbuch zum Röhren-Codex 1948/49
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Identico a 78 = 78E = UZ-78 = UZ78 = A678 = VT-78 = AG78 = CV2544 = G78 Valvole simili Other shape (e.g. bulb type): M78 Sostituita normalmente - piccola diff.: 38078 ; T78 Other class quality (otherwise equal): 1604 Heater different: 24/78 ; 337A ; 88S Altra base: 6K7G ; 78_Coronet Prime serie 1933 The AWA Journal Vol. 7, 1992 Prime informazioni Mar.1933 : -- Collector info (Sammler) Sostituisce i modelli 58 Evoluzioni 6K7G 6K7 6K7GT 6K7MG
