ECC83 Telefunken diamond, smooth plates, tested and guaranteed

Description

ECC83 Telefunken, real Telefunken with diamond <> on the bottom. 

The tube features smooth plates and Berlin plant production code from the late 1960ies or early 1970ies.

The tube may have seen minor use but tests excellent with at least 85%+ on each triode system in terms of gm/transconduction and emission. No original box.

Fantastic sounding ECC83 made by Telefunken that get increasingly rare!

Tested and guaranteed.

Picture shows example, we do have more than one piece available. We reserve the right to deliver similar looking and testing Telefunken ECC83 tubes.