Call Peter Ledermann at Soundsmith. First check out his site, read a few Soundsmith cart reviews, and watch a few videos of his to get a feel for it and understand just how much knowledge and experience and skill you are dealing with. Then give a call, give him all the same info and see what he says.
He can fix it, improve it, or replace it. All his work including repairs and new products come with the best warranty in the business. Full disclosure, haven't actually bought anything, never met the man either. Its just that part and parcel of any upgrades is comprehensive research, especially when the planned upgrade is from Koetsu. Having done the research a Soundsmith from Ledermann stands alone at the top of the list. So check it out and give him a call.
He can fix it, improve it, or replace it. All his work including repairs and new products come with the best warranty in the business. Full disclosure, haven't actually bought anything, never met the man either. Its just that part and parcel of any upgrades is comprehensive research, especially when the planned upgrade is from Koetsu. Having done the research a Soundsmith from Ledermann stands alone at the top of the list. So check it out and give him a call.