*****SELLING WORLDWIDE*****
***** ONE US MADE 6L6 TV7 REFERENCE BOGEY TUBE.6L6 TUBE USE IN TESTING YOUR TV7 or Hickok Tube Tester IF IT NEEDS CALIBRATION OR NOT.Having 3 parameters for each tester.Please let us know which tester you have,TV7 or HICKOK.
1) gm/transconductance
2) plate current
3) class A / zero bias plate current.
****** WORLDWIDE SHIPPING WILL BE BY USPS REGISTERED MAIL.
******PLEASE CHECK MY OTHER COOL AUDIO STUFF..
*****QUESTIONS ARE ALWAYS WELCOME.