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发表于 2022-8-20 19:06:47
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B4S1
Information - Help ID = 18964
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Country:Germany
Brand: Funkwerk Erfurt, VEB, RFT (Ostd.) - vorm. Telefunken GmbH
Tube type: Oscilloscope CRT, picture tube Indication
Identical to B4S1
Successor Tubes B4S2
Base German Steel Y8A, 1938 Other combinations of connections.
Filament Vf 4 Volts / If 0.85 Ampere / Half indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip 43 x 138 x mm / 1.69 x 5.43 x inch
Weight 120 g / 4.23 oz
Information source
oszi.gif
B4S1: Internet
Siegfried Neumann
Just Qvigstad oszi_b4s1.png
B4S1: RTB Funkwerk Erfurt 1956
Wolfgang Eckardt
More ...
Usage in Models 1= 1956 ; 1= 1958
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
Helmut Matysik (D)Karl - Heinz Bossan (D)
b4s1.jpg
B4S1
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