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25QP4

Information - Help 
ID = 55724
       
 
   
Tube type:  Television picture tube black+white   Indication 
Identical to 25QP4
Similar Tubes
Normally replaceable-slightly different:
  25TP4

Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Description B/W picture tube called Radiotron (= RCA). Used by AWA = Amalgamated Wireless (Australasia) Ltd., as alternative for 25TP4 in the 1960s. 
Literature - - -   
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25tp4_sock~~1.png
25QP4: Essential Characteristics
Anonymous 15 Collector

 
25qp4_data_miniwatt_7th_ed.png
25QP4: Miniwatt Technical Data, 7th edition.
Stuart Irwin


Usage in Models 13= 1965 ; 5= 1966? ; 15= 1966 ; 4= 1967?? ; 5= 1967 ; 1= 1968

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):43

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