Guaranteed to work. One Year Warranty
One tube is XF3 and one is XF4.
Test Results:
Tube 1: 26 mA @ 400V
Tube 2: 22 mA @ 400V
All Items shipped within 2-3 business days.
30 day satisfaction guarantee with free returns! All vacuum tubes sold come with a one year warranty! Email - support@fuzzaudio.com to get help with your recent purchase.