Matched Pair Wards Super Airline Number / Type 41 #41 Vacuum Tubes Black And Silver Bottle US-Made 6F7 There are two new old

There are two new old stock

is firmly adhered to the tube's bottle

new in box Amperex 9ED4 tube tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of Ken-Rad 6C6 tubes tested 46 and 50

I just cleaned this two LP set on my VPI 16

Matched Pair Wards Super Airline Number / Type 41 #41 Vacuum Tubes Black And Silver Bottle US-Made 6F7 There are two new oldThis perfectly matched pair of Wards Super Airline black bottle type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 54 and 54 where minimum (65%) is 40 and 100% is 62.. They were made, most likely, by Ken Rad. 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