radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

12B4A

Information - Help 
ID = 5301
       
 
   
Tube type:  Triode, vacuum 
Identical to 12B4A
Similar Tubes
Normally replaceable-slightly different:
  12B4

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 12.6 Volts / If 0.3 Ampere / Direct / Parallel / series AC/DC
Description Center tapped heater, may be connected for 6.3V at 600mA. 12B4A is similar to 12B4 except for the controlled heater warm-up, suitable for use in conjunction with other 600mA types.
Intended as TV vertical deflection amplifier, also used as series-pass regulator in power supply circuits.
550V max DC anode voltage, 30mA max DC cathode current, 105mA peak. 
Text in other languages (may differ)
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
  12b4a_umgebung.png
  12B4A: MK-Röhrentabelle
Daniel Consales
 
12b4a_13rm411d.jpg
12B4A: Collection JR
Jacob Roschy

 
no40_1.png
12B4A: RTT 1964 (Franzis) 10. Auflage
Martin Renz

 
12b4a_techdat01.png
12B4A: RCA Tube Manual
Peter Hoddow


from Just Qvigstad

Usage in Models 1= 1954 ; 1= 1955?? ; 104= 1955 ; 1= 1956?? ; 432= 1956? ; 11= 1956 ; 2= 1957?? ; 33= 1957? ; 2= 1957 ; 17= 1958 ; 2= 1959? ; 3= 1959 ; 1= 1960?? ; 1= 1961 ; 1= 1962?? ; 1= 1962 ; 1= 1966 ; 1= 1969 ; 1= 1970?? ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):618


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]
  
rmXorg