Valves 41MH - 4-TSP  
   
     
 
Valve BASE Additional Base Info Use TV or Radio Equivalents Heater Volts Valve Characteristics
41MH B5   RAD AC/2HL MH41 A30B 4 TRIODE AMP
42MPT B7   RAD   4 PENTODE
45 UX4 AMERICAN RAD 2A3 2.5 OUTPUT 2W
46 UX5 AMERICAN RAD VT63 CV2531 2.5 OUTPUT 1.25W
47MG IO OCTAL TV      
4EJ7 B9A   TV   4.2 PENTODE
4THA B7   RAD AC/TH1 TH4B TH4A A36C 4 TRIODE/HEXODE F/C
4-TSP B7   RAD   4 PENTODE
 
 
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