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In Reply to: RE: Your best tweaks for fullrange posted by moray james on May 08, 2015 at 07:56:40
Moray,
So Vienna Acoustic Mozart Grands are poorly designed because they lack magnet enclosures to eliminate the 'fringe effect' and force virtually all their magnetism to the driver? I respectfully suggest that they are in good company with the vast majority of less expensive coil speakers in that respect. The increase in dynamics and slam from a 25%-30% in magnetic force behind the driver sounds like a complete upgrade in speakers! Incidentally I forgot to include pictures of mid-range and woofer cross-overs enclosed with MuMetal for achieving a significant increase in clarity.
Am now opening up the back of my mid-range/ woofer enclosures to test the effect of substituting wool-felt for the bottom layer of cork stripes that holds the first layer of MagnetShield off the back of each magnet to maximize its effectiveness.
DG
Follow Ups:
you are getting hot for nothing, I did not disagree with you I agreed with you, I simply said that the mod will only work with drivers that are not running at or near saturation (which is where a good driver should be and most are not as good as we are lead to believe). The comment was made to point out to people how a good driver is made. Your mod shows how lesser drivers can indeed be improved. I do not however favor shielding around inductors, given the option I would use spacing and correct orientation of the coils. Also inductors should not be mounted with metal inside of the winding ie. screws or bolts. Simply comments no disrespect intended here. Thanks for posting I do enjoy reading many of your insights. Best regards Moray James.
moray james
Moray,
My principal concern was the questioning of the general relevance of the tweak since there is such is an abundance of skepticism about tweaks in the first place. Please accept my apologies.
DG
I did not question the general relevance of the tweak nor was it my intention to do so I simply mentioned that it will only work on drivers which are not well designed in the first place which as we both know is a lot of drivers and now that I think about it I don't believe that was worth mentioning but perhaps for the fact that some might not have understood the difference between a good design and a poor one. A tweak worth trying in the right situation. Good to have in the handbook of tweaks. Keep posting I enjoy learning. Best regards Moray James.
moray james
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