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UM85

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ID = 1046
       
Country:
Germany
Brand: Lorenz; Berlin, Zuffenhausen u.a.
Developer: Lorenz; Berlin, Zuffenhausen u.a. 
Tube type:  Mag. Fan, 1 shadow angle   Indication 
Identical to UM85 = 19DH7
Similar Tubes
Heater different:
  HM85
First year 1953 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Dec.1952 : Funkschau 1952 #23
Predecessor Tubes UM4   UM34  
Successor Tubes UM84  
Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 19 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 2 Tube prices (visible for members only)
um85.png
UM85: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
no75_g_7.gif UM85: RTT Schwandt
Günther Stabe † 19.8.20

Just Qvigstad 		um85_techdat01.png
UM85: SEL Handbuch 1964
Peter Hoddow
More ...
Usage in Models 6= 1953 ; 5= 1954 ; 2= 1955 ; 1= 1957? ; 1= 1960??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):15

Collection of

Ulrich Fieseler (D)
Jacob Roschy (D)
Günther Stabe † 19.8.20 (D)
Karl - Heinz Bossan (D)
Patrice Zeissloff (F)
 
um85_r.jpg

UM85
 
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