Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 18733
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Triode, vacuum   Audio Frequency 
Identical to AC701 = AC761
Similar Tubes
Normally replaceable-slightly different:
Predecessor Tubes MSC2  
Successor Tubes AC701k  

Base Wires only.
Filament Vf 4 Volts / If 0.1 Ampere / Indirect / Battery =
Description AF triode as pre-amplifier tube for condenser microphones and for all applications requiring a high insulation resistance between the grid and the other electrodes, high micro¬phonic stability, adequate AF noise, and low distortion factor. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
10 x 38 x 10 mm / 0.39 x 1.50 x 0.39 inch
Weight 5 g / 0.18 oz
Tube prices 7 Tube prices (visible for members only)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
  AC701: Telefunken
Thomas Günzel
    More ...
AC701: RFJ
Roy Johnson

More ...
AC701: Telefunken Röhrenhandbuch
Wolfgang Bauer

More ...
AC701: Telefunken
Thomas Günzel

More ...

Usage in Models 2= 1951 ; 1= 1954? ; 2= 1954 ; 2= 1957? ; 1= 1958 ; 1= 1959

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):9

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]