I have had the Gold Lions installed in my MC275VI for about a week now. I notice that they take about a half an hour to thoroughly warm up. Until then, the music sounds kind of thin or veiled, but then it's like a switch goes off and all of a sudden the music warms up, the bass extends, and everything sounds great. Either the stock tubes didn't do that or with these tubes I'm noticing more out of my system. I'll keep these in for a few months and then rotate the stock tubes back in to reevaluate the differences.
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McIntosh MC462, C22 IV, and MR7084; Simaudio Moon 300D V2 DAC; Technics SL1200G, Mac Mini Server; Sonus Faber Grand Piano Home; and Wireworld Cables.
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