4 US-Made Number / Type 41 #41 Vacuum Tubes Valves Coated Bottle Lot Of Four February 05 2026 (New US-made 6V6s typically test

(New US-made 6V6s typically test with plate current from the mid-teens to mid-30s with transconductance from 2300 micromhos or so

new in box Italian Sylvania 12SN7GTA dual triode was tested on our Hickok 600A for shorts

Transconductance: 1410 / 1411 (New is approximately 1450)

new in box Sylvania-MANUFACTURED

4 US-Made Number / Type 41 #41 Vacuum Tubes Valves Coated Bottle Lot Of Four February 05 2026 (New US-made 6V6s typically testThese four US made, coated bottle type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 43, 55, 56 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