Polk Monitor 5JR Woofer Replacement

I have a pair of Monitor 5JR's and one of the woofers is frozen, possibly due to the magnet shifting. I have a chance to buy a pair of woofers from the Polk SDA-1. Would they be a comparable replacement? If not, what are some other options?
Thanks
Thanks
Comments
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk
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