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328B

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ID = 40678
       
 
   
Tube type:  Vacuum Pentode 
Identical to 328B
Base 6-Pin-Base U6A, old, USA Top contact with a cap.
Filament Vf 7.5 Volts / If 0.42 Ampere / Indirect
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   
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328b_sock.png 328B: Universal Vade-Mecum, 1960
Anonymous 15 Collector

Just Qvigstad

Collection of

Manfred Kröll † 2.9.2013 (A)
 
roe_valvo_328b.jpg

 
Forum contributions about this tube
328B
Threads: 1 | Posts: 1
Hits: 1953     Replies: 0
328A + 328B Daten
Manfred Kröll † 2.9.2013
08.Jul.09 		  1
328A + 328B Daten 

Pentode

Heizung indirekt

Uh = 7,5V

Ih = 0,4A

Ua = 135V

Ia = 5,65mA

Ug1 = -3V

Ug2 = 135V

Ug3 = 0

Ig2 = 2mA

S = 1,9mA/V

Ri = 650K

Rk = 400 Ohm

Na = 0,75W

Rg1 = 1M

 

Quelle: Telefunken Werkstattbuch zum Röhrenprüfgerät

Seite 116b
 
328B
End of forum contributions about this tube
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