Hytron 5W4 Vacuum Tube Valve Rectifier NOS NIB Compactron T08o 45 and 48 where minimum

45 and 48 where minimum is (65%) is 36 and 100% is 55

It measured 40 where minimum (65%) is 31

tell you how the tube sounds

I am playing it in Bottlehead Crack headphone amplifier as a 12AU7 substitute and it sounds fine

Hytron 5W4 Vacuum Tube Valve Rectifier NOS NIB Compactron T08o 45 and 48 where minimumThis new old stock, new in box Hytron 5W4 rectifier tube tested to spec on our Paul Hart calibrated TV7 U tube tester. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUR ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST OF THE TUBES WE SELL ARE OVER 70 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE