Auction is for two (2) tubes, ONE platinum matched pair of rare 6KD8 ECF82 (6U8A 6GH8A) EI Yugoslavia made back in 80s for export.
These are premium grade, copper grid posts, halo getter Philips construction and made on Philips Heerlen tooling machines.
They are specially selected and with exceptional quality control for export under Philips, Siemens, Valvo and Telefunken brands.
I have few 100 pcs service packagings of these tubes, and all pairs I have are carefully tested and matched by plate current on my Metrix U61-B tester. Due to big number of tested tubes, they are matched within 5% or less!!!
They are perfect substitutes for McIntosh tuners and MX110 preamp also for Sonic Frontiers Line 3, also for modified Dynaco ST-70 driver board.
See also my other auctions and visit my store and my page for more vintage tubes and tube parts. More than 250000 NOS tubes in stock and more than 35 years in tube business.