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Original Message
Taking stand / shelf out of the equation
Posted by VW on September 15, 2007 at 04:51:00:
Having used a variety of isolation footers and shelf materials, it is apparent the best one can do is to modify particular frequencies with various footers, shelf materials and the rack itself. In other words, we are effectively ' listening ' to distortion caused by inadequate vibration control, as the stand etc. becomes an integral part of the listening experience. I don't wish to 'listen' anymore to the sound of MDF, steel, granite, composites or even shelfless racks. Rather than fully isolating, most footers partially or fully couple to the shelf or whatever is used to support components in the absence of a shelf, ie. couple to the rack itself. Short of pneumatic air isolation or magnetic isolation systems ( both of which are quite expensive and neither of which deal with component borne vibration ) is there any footer which truly isolates from rack or stand, across the entire frequency band ? The Boston Audio Tune Blocks ( the big ones with lots of graphite ) appear to function as an effective isolater across the entire frequency band (from limited reviews ) imparting no signature of their own , whilst draining component vibration at the same time ( perhaps the Equa Rack footers, with weight specific visco-elastic damping, may also achieve same ).
Does anyone here have experience at truly 'taking the shelf/stand out of the equation ' with such footers, or are these not what they are cracked up to be. With several sets of the above ( expensive ) footers, is one then better of going the extra mile for a Grand Prix Audio Monaco, which at least has vibration control down to a fine art ?