A1UC Posted October 28, 2015 Share Posted October 28, 2015 (edited) These cam with my Wo Audio WA22 and I upgraded all the tubes , they all worked fine no noise 50.00 plus shipping (1) Shuguang 274B (2) RCA 6080 (2) 6SN7GT Edited October 28, 2015 by A1UC Quote Link to comment Share on other sites More sharing options...
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