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Up for sale, MATCHED PAIR - half wave rectifier tube EY500A - substitute for 6EC4A 6EC4 6D22S - rated at 5.6 KV/440 mA

Made by EI (Elektronska Industrija) - former Yugoslavia under Philips license for Telefunken - Germany (eatched code ADD 6 (semicircle with dot) 7K on each tube)

These tubes are specially selected for export under contract with Telefunken and with Telefunken label

NOTE: Ei was major supplier to many different tube manufacturers such as Philips, Telefunken, Siemens, Sylvania, GE, RCA, Mullard (among others). Upon the purchase, tubes would be branded and printed as per buyer specification.

BRAND NEW

What you see is what you get

Please note: The item is located in Belgrade - Serbia and will be shipped via Registered Air Mail