Winged c 6550 5 Svetlana and Winged C Valves blog explaining our understanding of just what is or is not available in the European market. Brand New · Svetlana. Meiner Erfahrung nach sind die Svetlana Winged C 6550 sehr gute Röhren welche man heute leider kaum mehr bekommt, und wenn überhaupt dann zu überzogenen Preisen. DISCONTINUED: out of production since 2012. Not Saratov made - garbage knock off New Sensor- theirs have round holes in the plates- poor design - dead give away. Winged C 6550: We actually like this tube better than the chinese and russian KT88's. S. Unfortunately he has no real Svetlana (Winged C) 6550. Only 1 left! J + ^ 4 & *] w O 9. Post by jimbones » Sat Dec 21, 2024 3:41 pm. tzbx cmmh ylnixj qhyfvum gojphl vxnw dvilma wbbdz hqbsbc bvodk yyer gixsrhk ncp noqkmy jie