1 matched quad of Canada Fuller KT88G gold pin Hi-fi audio vacuum tube, packed in hard gift box , carbonized metal plate, each tube engraved with a unique serial number with test data provided. 100 hours on my Ayon Audio Triton II with automated bias. Believed to be one of the best sound KT88 tubes. $349 ($521 new) plus shipping and paypal
Fuller items were designed by Canada Fuller and OEM made by Chinese ShuGuang , it take the advantage of both Shuguang and Fuller technology. better sound quality than Shuguang Treasures series same style. Key components were all imported from Canada or U.K, also used super alloy technology, yet with improved technology of carbonized plate which only and originally ever used on antique Mullard tube.
