Tested 3100/3100 on Hickok 752A, where the minimum is 1600/1600

Dual Triode with balanced test result. Made in Japan with grey plates


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NEC 6SN7GTB Vacuum Tube

  • Product Code: NEC 6SN7GTB
  • Availability: Out Of Stock
  • $24.99 USD


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Tags: NEC, 6SN7GTB, Vacuum Tube