Matched Pair Wards Super Airline Number / Type 41 #41 Vacuum Tubes Black And Silver Bottle US-Made 6F7 is firmly adhered to the

is firmly adhered to the tube's bottle

The spine is in fine shape with no loose pages and the dust jacket has only a few

new in box RCA 6AF4A tubes tested to spec on our Paul Hart-calibrated TV7/U

I just cleaned this two LP set on my VPI 16

There are five new old stock

Matched Pair Wards Super Airline Number / Type 41 #41 Vacuum Tubes Black And Silver Bottle US-Made 6F7 is firmly adhered to theThis 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