One tube (1 pcs) ECF801 6GJ7 made by EI Yugoslavia under Philips liscence in 80s.
These are fine EU NOS tubes made in EI NIS tube factory back in 80s on Philips tooling machinery with quality control by Philips engineers. They are copper grid posts version, without printing, they have been made for export and they can be found relabeled Siemens, Philips, Valvo, AEG and Telefunken.
Triode - Pentode in one bulb.
THE LISTING IS FO ONE TUBE (1 pcs)