5AR4 / GZ34 Mullard
These NOS 5AR4 / GZ34 are the cream of the crop. We currently have only Mullard (Blackburn, England) on hand. Most of our stock is relabeled by companies like Amperex, Dario Miniwatt and others. All of our stock is guaranteed NOS with Blackburn, England date codes, serrated plates and a hole in the guide pin.