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In Reply to: RE: Dumb question - how to tell valves are spent? posted by Neillo on November 28, 2007 at 10:54:41
It will depend on the tube and the gear. Sometimes the treble will be a little rolled off, or less detail. Usually, for me, the system just seems to be "off", in a way that is hard to describe. From your reaction, it sounds like your tubes may be going.
Jack
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