Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 29329
Brand: Narva, VEB; Kombinat; Oberweißbach (Ostd.)
Developer: Narva, VEB; Kombinat; Oberweißbach (Ostd.) 
Tube type:  Oscilloscope CRT, picture tube   Indication 
Identical to BR2
Predecessor Tubes Va866  

Base Duodecal (12-pin), B12A (not glass) 2 Sidecontacts.
Filament Vf 6.3 Volts / If 0.4 Ampere / Half indirect / Specified voltage AC/DC
Description Demonstration CRT for Physics Laboratories.
"This CRT was built to show the operating principle of the cathode ray tube, first developed by Ferdinand Braun, to the students of technical schools. It should be noted that this tube has a filament heated, oxide covered cathode: it can be safely operated at low anode voltage." 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
95 x 95 x 270 mm / 3.74 x 3.74 x 10.63 inch
Weight 300 g / 10.58 oz
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   Lehrmittelbeiblatt 4136 DPZI (1975)
  BR2: Narva-Versuchsanleitung
Wolfgang Eckardt
BR2: W.E.
Wolfgang Eckardt

More ...
BR2: W.E.
Wolfgang Eckardt

BR2: Private collection
Emilio Ciardiello

More ...

from Just Qvigstad

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]