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Here's something I knew about for decades, but for some reason never tried. I took pieces of square four inch copper tape I had lying around and taped it to the side of my speaker cabinets closest to the midrange driver ( I also placed a similar piece on top of the cabinet directly above the tweeter).Now we know that magnetism generates an electrical component in the direction of the flux. This is paticularly true with AC fields.
A piece of highly conductive material will propagate that flow.
I did this experiment before opening up the cabinets and actually wrapping the magnets structure with copper tape as a simple means of A-B'ing any possible effect. The effect should be more intense when the copper tape is placed directly on the magnet.
In short, it does aid the sound. The drivers affected are more dynamic although a bit louder ( a DB or so). I didn't try it on the woofers so the frequency response is slightly askew in the deep bass. Upper bass is quite nice, though, where hte mid driver overlaps the woofer response. SN ratio seems to have increased.
Did this before opening up the cabinets, which also makes it harder to do an a-b...
PS you can use copper foil as sold in stained glass shops. Cheaper than tape. You could also place the sheet on the inner cabinet walls and remember tape will not hinder the magnetic flow. I also believe that grounding the foil will further enhance the soundFor those with monitors on steel sstands, lining the top of the stand should also be beneficial.
Edits: 06/28/15 06/28/15Follow Ups:
Hi Stu
I am searching for brass screw to do these together, but what is the yellow capsule?
mehrdad
tweaker
Ahhhh....C13 (carbon isotope C13)
Wonderful !
Can you describe the effect ( compared to quartz )?
Thanks
mehrdad
tweaker
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