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Tube Life in a Big 7

fridays

  • Jr. Member
  • Posts: 267
Tube Life in a Big 7
« on: 1 Apr 2020, 08:13 pm »
Once again last night I lost a 300B(Gold Lion PX300B), it seems my tubes do not last a year
Is this about the life expectancy for these tubes in this unit or should I be turning it off more often

Thanks
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