RCA5691used2 new in the box rca 3 mica black plate 5691 tubes/ 10000 hour 6SL7 tubesI have 2 new in the box rca 3 mica black plate 10000 hour 5691 tubes with the 11 style steel rods for no microphonics occur.I have 4 of these tubes available if you need a quad I can list the other...120.00

2 new in the box rca 3 mica black plate 5691 tubes/ 10000 hour 6SL7 tubes [Expired]


no longer for sale

I have 2 new in the box rca 3 mica black plate 10000 hour 5691 tubes with the 11 style steel rods for no microphonics occur.I have 4 of these tubes available if you need a quad I can list the other pair.