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124

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ID = 4052
       
Country:
United States of America (USA)
Brand:
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 124 = PU024 = MY224 = AC24 = F224 = 222AC = 57T224 = AC22 = BY224 = ER224 = 122AC = TS224 = VY224 = CL-24 = Ray-224 = GY224 = OKY-224 = GSY224 = C-224 = T-24 = T-24-AC = A.C.224 = A224 = T-224 = AC224 = Y224AC = PAC224 = PM224 = UY224 = 24A
Similar Tubes
Other class quality (otherwise equal):
  NU-24S
Other base:
  24_Coronet
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 / Specified voltage AC/DC
Description

Screen grid Detector; Amplifier.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
s_225_g_4.gif 124: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad
Usage in Models 2= 1929 ; 6= 1931 ; 5= 1932
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of

Jay Vonderhey (USA)
Peter Lowe (AUS)
John Hupse † 28.9.20 (NL)
Christian Schaufelberger (CH)
Massimo Pedrina (I)
Venanzio Salvatorelli (I)
Geri Meier (CH)
Siegmar Mey (D)
Benedetto Pirani (I)
Jose Vigil (RA)
Fin Stewart (AUS)
Rudolf Osterkamp (D)
Antonio Bordini (I)
Robert Gillespie (USA)
 
124crosley_2_klein.jpg

124
 
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