that should have said BEDINI ....fat finger's A friend has lent me this .....disc spinner knowing how interested in odd ball tweaky things I am.... I've tried it ....on a number of disc run up for 30 plus seconds replaced the battery and tried again .... so far....its a nil result just too check remove davidf iso feet ....sound went back to dull and squashed ....so I'm assuming the unit has no effect or the unit is dud ....... anybody got one of these things to work ...what am I missing ? My friend ...only thought he could tell the difference ..which suggests small to none existent.