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24A

Information - Help 
ID = 2657
       
Country:
United States of America (USA)
Brand:
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 24A = UY-24B_Japan = UY24B = 224 = NY224 = UY224A = 424A = 224A = FY224 = T24 = PH224A = 124 = MY224 = NU-24A
Similar Tubes
Other shape (e.g. bulb type):
  M24A
Normally replaceable-slightly different:
  22AC ; 24 ; 24E ; 38024 ; AC22 ; ASX2240 ; EY624 ; RENS324 ; UY224 ; VT-28
Other class quality (otherwise equal):
  CV936
First year 1929 Radios von gestern, 2. Auflage
First Source (s)
1930 : -- Collector info (Sammler)
Predecessor Tubes 24  
Successor Tubes 57  

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ha) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  24a.png
  24A: Manuale delle valvole
Giuseppe Antonio Tusini
 
24_fivre~~1.jpg
24A: A A
Alberto Ammendola

 
448.png
24A: Telefunken Werkstattbuch
Wolfgang Bauer

 
24a_techdat01.png
24A: Sylvania Technical Manual
Peter Hoddow


Usage in Models 3= 1929? ; 21= 1929 ; 2= 1930?? ; 7= 1930? ; 53= 1930 ; 5= 1931?? ; 9= 1931? ; 69= 1931 ; 1= 1932?? ; 12= 1932? ; 25= 1932 ; 4= 1933?? ; 2= 1933? ; 5= 1933 ; 1= 1934?? ; 2= 1934? ; 2= 1934 ; 2= 1935 ; 1= 1936 ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):227


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