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Vintage RCA 6SN7 GTB Black Plates Vacuum Tube Very Strong & Bal Results=2625/282, US $280 – Picture 0
Vintage RCA 6SN7 GTB Black Plates Vacuum Tube Very Strong & Bal Results=2625/282, US $280 – Picture 0

Vintage Rca 6sn7 Gtb Black Plates Vacuum Tube Very Strong & Bal Results=2625/282

US $280

  • Matawan, New Jersey, United States
  • May 31st
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Vintage RCA 6SN7 GTB Black Plates Vacuum Tube **Very Strong & Balanced** ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ *** Tested on our  proprietary  tester , the E3444 Triplett/Westmore 501 : it's a Triplett 3444 / Westmore 501 that has been enhanced. This tester uses regulated power sources for the bias, plate, & screen voltages, as well as modified operating & testing procedures. Filament voltage is also controlled.  Tubes are tested in accordance with the manufacturer's specifications; measurements closely align with a laboratory tester built to rigorously measure vacuum tube characteristics.  Tubes can be accurately matched for gm & plate current at the manufacturer's specified test points or at other specified test points. ***** This tester was prepared by Mr. Paul Hart of Falls Church , Virginia. ***** *********************************************************************  Industry Bogey transconductance =  2600/2600 µmhos  &  Industry Bogey plate current =  9.0/9.0 mA Results =  2625/2825 µmhos  ~   9.0/9.8 mA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ USA Shipping $6 ~ Higher Overseas I have many other types of tubes  ~  Just Search MY store  No Additional Shipping Charges *** All tubes Guaranteed           CCC ~~~~  Please click on the link below to view more items in my store.  ~~~~~~~~                                                GreenGirl's Guaranteed VintageTubes

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