![]() The factory grills were missing and the sound improvement from this was night and day. It took less than a yard for both and spare to redo another if needed. I took the burlap speaker covers off mine and replaced them with actual speaker cloth from joann fabrics. Might be interesting to replace the woofers with a set from a pair of sp2000's, as they look identicle as far as cone/dustcap/surround goes, are cheap and frequent on ebay, and have alnico magnets.A little update. The sp-1500's used huge ceramic magnets for the woofers, but the older sp-2000's ( 70 watts) and sp-200's ( 40 watts) used AlNiCo magnets on the woofers. I will have to agree with the others as far as sound stage, the midranges are what these speakers are known for-WHICH by the way, if you remove the metal cans from the backs of them you will find AlNiCo magnets on all four mids!! This probably explains why they sound so smooth and are so efficient. ( I tore down the one bad woofer to see). The woofers have aproximatly 6 inch magnets on the backs, and 2 inch voice coils. It takes some ultra deep high wattage bass to bottom these out, but I would be careful with them as the woofers are only rated at 20 watts each ( its printed on the back of the mags, unless you have the earlier version that uses a sticker). I believe that rating too, as I am only running a vintage 15wpch amp into them and they will flat out crank! They are a tad under rated I think, as I have run 90+ watts through them with no problems. I found an owners manual on audiokarma a while back that said these were rated at 97db 1w/1m. The mids were pushed in when I got them and had one blown woofer, I replaced all drivers with originals that I found on ebay. I ended up replacing most of my drivers, save one woofer. I sanded the -REAL- wood vaneer cabs down and gave them 5 coats of poly. Hey I own a pair of these! Its nice to see that others love them as much as I do. ![]()
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