Man, those are old speakers! :)
Nothing wrong with that, but probably not how you want to do your crossover. Go from your Preamp Outputs directly to the sub instead. Unfortunately you won't have any high pass filtering. You may want to consider a miniDSP as well to equalize and help integrate the subwoofer.
Nothing wrong with that, but probably not how you want to do your crossover. Go from your Preamp Outputs directly to the sub instead. Unfortunately you won't have any high pass filtering. You may want to consider a miniDSP as well to equalize and help integrate the subwoofer.