Hi guys, have any of you used these type of mids? http://www.parts-express.com/wizards/searchResults.cfm?srchExt=CAT&srchCat=299&C FID=2559230&CFThttp://www.parts-express.com/wizards/searchResults.cfm?srchExt=CA T&srchCat=299&CFID=2559230&CFTOKEN=57294695OKEN=57294695 Would appreciate your comments..