6 Zenith Type / Number 58 #58 Vacuum Tubes Valves Engraved Stamped Base Lot Of Six May 17 2025 It’s a good pressing of

It’s a good pressing of a 1954 performance from right on the cusp of mono high fi

I would rate it a 6

These five Ken-Rad number / type 27 tubes tested as good on our Paul Hart-calibrated TV7/U

This lot of four Hytron coated glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

6 Zenith Type / Number 58 #58 Vacuum Tubes Valves Engraved Stamped Base Lot Of Six May 17 2025 It’s a good pressing ofThis lot of six Zenith number type 58 stamped engraved base tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They measured 40, 40, 46, 50, 50 and 55, respectively, where minimum (65%) is 36 and 100% is 56. 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