4 US-Made Number / Type 41 #41 Vacuum Tubes Lot Of Four 7R7 Loktal T08o These three Tung-Sol-MANUFACTURED 12V66GT power

These three Tung-Sol-MANUFACTURED 12V66GT power tubes were tested on our Paul Hart-calibrated TV7 for shorts

Just a few pops and ticks in the quietest passages

new in box US-made 22BH3 tubes tested to spec on our Paul Hart-calibrated TV7/U

It measured 81/80 where minimum (65%) is 50/50 and 100% is 77/77

rectangular mica spacer as well as a rectangular bottom spacer

4 US-Made Number / Type 41 #41 Vacuum Tubes Lot Of Four 7R7 Loktal T08o These three Tung-Sol-MANUFACTURED 12V66GT powerThese four US made type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 30, 52, 55 and 58 where minimum (65%) is 40 and 100% is 62. 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