5 Sylvania 14X7 Vacuum Tubes NOS NIB Lot Of Five CBS Records Vinyl LP 2 milliamps and transconductance was

2 milliamps and transconductance was 2460 micromhos for Tube One (Raytheon-BRANDED)

This matched pair of RCA Cunningham Radiotron Type 49 output tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box Sylvania 7B8s

new in box matched pair of GE-MANUFACTURED 6FQ7 / 6CG7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

Bach Concerto For Violin And Orchestra

5 Sylvania 14X7 Vacuum Tubes NOS NIB Lot Of Five CBS Records Vinyl LP 2 milliamps and transconductance wasThis 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