Sylvania 6211 Vacuum Tubes – Made in USA 1967 – NOS W/ Original Boxes
Manufacturer: Sylvania (Made in U.S.A.). Date of Production: October 1967. They are sold as-is, exactly as pictured. Two boxes are stamped with a manufacture date code of 10-12-67 and one with 10-3-67.
Matched Pair 1944 Raytheon VT-99 6F8G (6SN7) JAN CRP Black T-Plate NOS Boxes Str
These tubes are electrically equivalent to 6SN7 when used with adapters (not included). Adapters are NOT included (required for 6SN7 socket use). These early Raytheon carbonized black plate VT-99 are known for a presentation that differs noticeably from later 6SN7GT/GTB types.
