4 US-Made Number / Type 41 #41 Vacuum Tubes Gray Bottle Lot Of Four November 11 2025 pops and ticks

pops and ticks

new in box Sylvania 19BG6G tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 6MU8 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box US-made 6FG7 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 6AS5 tubes tested to spec on our Paul Hart-calibrated TV7/U

4 US-Made Number / Type 41 #41 Vacuum Tubes Gray Bottle Lot Of Four November 11 2025 pops and ticksThese four US made, gray bottle type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 43, 46, 55 and 59 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