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ECH71

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ID = 1420
       
Country:
Germany
Brand: Lorenz; Berlin, Zuffenhausen u.a.
Tube type:  Triode-Heptode   Frequency converter 
Identical to ECH71 = ECH21
First year 1950 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Nov.1950 : Funk-Technik (FT) # 21

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.35 Ampere / Indirect / Specified voltage AC/DC
Tube prices 2 Tube prices (visible for members only)

ech71.png
ECH71: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

ech71_so.png ECH71: rtt
Anonymous 10 Collector

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Just Qvigstad
ech71_data1.png
ECH71: Lorenz 1950
Robert Schmalstieg

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Usage in Models 17= 1950 ; 1= 1951? ; 2= 1951

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20

Collection of

 
ech71_036r.jpg

ECH71
 

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