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G-59B

Information - Hilfe 
ID = 78605
       
Land:
USA
Marke: Majestic tubes of Grigsby-Grunow
Entwickler: Majestic tubes of Grigsby-Grunow 
Typ:  Vacuum Pentode   Endstufe 
Identisch mit G-59B
Ähnliche
Andere Anschlüsse:
  59

Sockel USA-7-Stift U7B-Sockel ALT = medium
Anwender Radio/TV-Empfang etc.
Heizung Uf 2.5 Volt / If 2 Ampere / Direkt / Spezifizierte Spannung ~ =
Beschreibung

This tube was only made by Majestic and is not interchangeable with any other type. It is a triple grid power amplifier type. It differs from the 59 in that it has a direct filament. The base pin where the cathode would be utilised as in the type 59, is not used.

Acording to Tube Lore II, p. 28, the tube was available with a spray shielded bulb.

 
Abmessungen (BHT)
inkl. Stifte/Spitzli
x 135 x 52 mm / x 5.31 x 2.05 inch
Literatur 70 Years of Radiotubes and V.   p. 180
Tube Lore (II)   p. 28

majestic_g_59b_pins.png G-59B: Fin Stewart
Fin Stewart


Just Qvigstad
 
majestic_g_59b_tube_bm.jpg

 

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