For sale one Have 4 in stock Black inside not gray Pre 1950s tubes here Vintage CBS Hytron 5814A vacuum tube. • Made in USA • Equivalent to 12AU7 • Military/industrial grade tube • Orange print, vintage production • Appears NOS • Clean pins, no visible damage • Untested – no tube tester available Highly regarded for audio and vintage equipment use. Sold as-is, untested, no returns. US mainland shipping only.
CBS Hytron 5814A Vacuum Tube USA 12AU7 Type NOS Vintage Pre 1950 Black Inside
For sale one Have 4 in stock Black inside not gray Pre 1950s tubes here Vintage CBS Hytron 5814A vacuum tube. • Made in USA • Equivalent to 12AU7 • Military/industrial grade tube • Orange print, vintage production • Appears NOS • Clean pins, no visible damage • Untested – no tube tester available Highly regarded for audio and vintage equipment use. Sold as-is, untested, no returns. US mainland shipping only.
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.