Other

Raytheon 6CD6GA Vacuum Tube * Tested 73%

Tung-Sol 12Z3 Tube * Tested 118%

Micro 6SN7GTB Vacuum Tube * Tested 91%/100%

Sylvania 6SN7GTB Vacuum Tube * Tested 103%/100%

RCA 6SN7GTB Vacuum Tube * Tested 109%/105%

Raytheon 6SN7GTB Vacuum Tube * Tested 108%/103%

RCA 6SN7GTB Vacuum Tube * Tested 99%/100%

RCA 80 Tube * Tested 95%/90%

GE 6SN7GTB Vacuum Tube * Tested 90%/90%

Micro 6SN7GTB Vacuum Tube * Tested 103%/100%

Emerson 6SN7GT Vacuum Tube * Tested 99%/104%

Raytheon 6U8A Vacuum Tube * Tested 95/121