Tested 600/625 µmhos on a Hickok 752A. Minimum is 400  

"12" engraved on the base. 

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Ken Rad 6SN7GTA VT-231 Vacuum Tube

  • Brand: RCA
  • Product Code: Ken Rad 6SN7GTA Vacuum Tube
  • Availability: 1
  • $49.99 USD


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Tags: Ken-Rad, 6SN7GTA, Vacuum Tube