Sylvania 6F8G VT - 99 Vintage Military Vacuum Tube Smoked Glass NOS (Test 106)

2 Sylvania 6f8g (vt - 99) Matched Black T - Plate Vacuum Tubes Usa

2, Raytheon 6f8g, Vt - 99, Wartime, Military, Match Date Pr, 6sn7gt Elec Eq

Sylvania 6f8g/vt - 99 Smoked Glass - Date Code Matched Pair

2, Ken - Rad 6f8g, Vt - 99, Wartime, Military, Matching Prai, 6sn7gt Elec Eq

Sylvania Jhs 12at7wa Matched Vintage Military Vacuum Tube Quad Nos (test 109)

Tung - Sol Matched Pair 6f8g Vt - 99 Vintage Badboy Plate Tubes 6sn7 Sub

Quad Rca 6f8g Vt - 99 Vintage Rca Tubes Vt - 231 6sn7 Subs

Pair (2) Raytheon Jan Crp 6f8g Vt - 99 Vacuum Tubes 2 - Rivet T - Plate Amplitrex Test