Vacuum Tube Rapsco 50L6GT /G Hickok Tested 100%+ NOS
Hickok Tested. I also use a Hickok 752 /800/600 or Amplitrex AT1000 for testing. Rectifiers and Diode tubes do not have Transconductance values. VACUUM TUBE TESTING. So this shows what I get, and what you get may be slightly different.