https://www.tubes.rs/el84-tungsram-labeled-ei-nis/
EL84 Tungsram labeled EI Nis | TUBES.RS | The finest NOS tubes & Tube amps
Mar 10, 2017 - Without boxes, but tubes are perfect NOS! I've seen these tubes under a lot of various logos like Siemens, Philips . . . I suppose that these tubes are from...
ei nisthe finesttube ampstungsramlabeled