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AndyBurns replied to the thread mapletree audio design (MAD) headphone tube amps...still many users out there?.Now replace that russian 12ax7 with an NOS GE,Sylvania, Telefunken or anything else and you will be completely blown away.
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AndyBurns replied to the thread Grado Fan Club! .Sounds to me that you think something is missing. I had the same reaction after upgrading from SR325. Excellent lows and mids. But...
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