2A3 | 6A3 | 6B4 | 300B
Shop our selection of 2A3, 6A3, 6B4 and 300B vacuum tubes. These tubes are all somewhat related to each-other but are by no means interchangeable. They are all part of what is considered to be the top of the SET tubes.
Shop our selection of 2A3, 6A3, 6B4 and 300B vacuum tubes. These tubes are all somewhat related to each-other but are by no means interchangeable. They are all part of what is considered to be the top of the SET tubes.
![Sylvania USA JAN-CHS-6B4G Black Dual Flat Separated Plate [] Get Vacuum Tube 89%](https://cdn8.bigcommerce.com/s-dfccaj35/images/stencil/500x500/products/41968/43153/LT3665__78433.1506710327.JPG?c=2)
