5 Sylvania 14X7 Vacuum Tubes NOS NIB Lot Of Five September 01 2025 new in box Sylvania 12AV7

new in box Sylvania 12AV7 dual triodes tested on our Paul Hart-calibrated TV7/U

new in box GE 21JS6A / 23JS6GA tested to spec on our Paul Hart-calibrated TV7/U

This tube has B2K1 provenance codes

micromhos)

This pressing has light to lightly-moderate surface noise audible in quiet passages and barely-audible in voice-level passages

5 Sylvania 14X7 Vacuum Tubes NOS NIB Lot Of Five September 01 2025 new in box Sylvania 12AV7This lot of five new old stock, new in box Sylvania MANUFACTURED 14X7 tubes tested to spec on our Paul Hart calibrated TV7 U. Most loktals were made by Sylvania and these Philco BRANDED 14X7s are not an exception 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 FORMS OF