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6203 GE 5-Star used/good 1961 (51/40 and 51/40)

6203 GE 5-Star used/good 1961 (51/40 and 51/40)

$ 6.99

1 tube) GL-6203 GE 5-Star used/good 1961 (51/40 and 51/40)

 

 

6203 is a ruggedized 6X4 with 9 pins, a 6X4 has 7 pins

 

6203 heater current is 900ma, 6X4 heater current is 600ma

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