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3 EL84 6BQ5 Vacuum Tube Low Testing Results 4400 4000 4700, US $380 – Picture 0
3 EL84 6BQ5 Vacuum Tube Low Testing Results 4400 4000 4700, US $380 – Picture 0

3 El84 6bq5 Vacuum Tube Low Testing Results 4400 4000 4700

US $380

  • Matawan, New Jersey, United States
  • May 31st
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3 EL84 6BQ5 Vacuum Tube Low Testing   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ *** 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 =  11,300 µmhos  &  Industry Bogey plate current =  48 mA Results =  4400 µmhos  ~   21 mA 4000 µmhos   ~ 20 mA 4700 µmhos  ~ 22 mA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ USA Shipping $6 ~ Higher Overseas I have many other types of tubes  ~  Just Search MY store  No Additional Shipping Charges *** All tubes Guaranteed           507 ~~~~  Please click on the link below to view more items in my store.  ~~~~~~~~                                                GreenGirl's Guaranteed VintageTubes

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