Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 38543
Brand: Funkwerk Erfurt, VEB, RFT (Ostd.) - vorm. Telefunken GmbH
Tube type:  Oscilloscope CRT, picture tube   Indication 
Identical to B7S1DN

Base German Steel 10 pin, Y10A
Was used by Technology / Measurement
Filament Vf 4 Volts / If 0.7 Ampere / Indirect / Specified voltage AC/DC

Kleine Oszillographenröhre mit sphärischem Schirm, 70mm.
Lang Nachleuchtend.

Dimensions (WHD)
incl. pins / tip
71 x x 162 mm / 2.80 x x 6.38 inch
Weight 180 g / 6.35 oz
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   RFT-Spezialröhren, 1960

b7s1~~2.gif B7S1DN: Katalog Oszillografenröhren vom VEB Funkwerk Erfurt
Andreas Hamel

More ...

Just Qvigstad
B7S1DN: RFT-Spezialröhren 1960
Anonymous 15 Collector

Usage in Models 1= 1958?? ; 1= 1961?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]

Data Compliance More Information