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ID = 1046
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:
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: 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: SEL Handbuch 1964
Peter Hoddow

More ...
Usage in Models 6= 1953 ; 5= 1954 ; 2= 1955 ; 1= 1957? ; 1= 1960??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):15

Collection of



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