Zenith 6LT8 Vacuum Tube Valve NOS NIB Number Grid Cap 5-8 out of ten

5-8 out of ten

anode coolers for cooler operation and longer life

These two National Union clear bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

These four metal base National Union 6Q7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

flashing mostly occluded by tube base)

Zenith 6LT8 Vacuum Tube Valve NOS NIB Number Grid Cap 5-8 out of tenThis new old stock, new in box Zenith 6LT8 tube tested to spec on our Paul Hart calibrated TV7 U. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT 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 IS NO WAY TO DETERMINE