Sylvania 14F7 Vacuum Tube NOS NIB November 02 2023

Sylvania 14F7 Vacuum Tube NOS NIB November 02 2023This new old stock, new in box Sylvania 14F7 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 FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO

new in box Sylvania-MANUFACTURED

It measured 54 for minimum (65%) is 38 and 100% is 58

This pressing has lightl surface noise audible in quiet passages and barely-audible in voice-level passages

I will test it if you can send me settings

Tube One measured 76/74 while Tube Two (GE-MANUFACTURED

Transconductance measured 35 for Tube One and 36 for Tube Two where minimum (65%) is 25 and 100% is 38

Tube One measured 46 while Tube Two measured 46 where minimum (65%) is 32 and 100% is 49

Setchell-Carlson-BRANDED 6GF7A tubes tested to spec on our Paul Hart-calibrated TV7/U

One was made in the Netherlands and the other

IF YOUR COUNTRY IS SIMILAR

new in box RCA 19T8 tube tested to spec on our Paul Hart-calibrated TV7/U

" "Do Not Awaken Memories