Philippe,
Your English is way better than my French (thank you) but I'm confused about your last post. What is the USA problem and are you saying you would not change to the KT120s? Maybe I'm not sure what an SED is. My 6550s are fine with maybe 800 hours on them so no need to replace unless there is an opportunity for really better sound. There are plenty of 6550s available here from CJD and tube retailers when I need them.
Bob
Last edited by Coppy; 10-29-2011 at 05:10 PM.
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