Something to consider for those wanting to stay with their Inspire amps and run efficient speakers.
https://greatplainsaudio.com/wp-cont...604_8H_III.pdf
Dennis has engineered a crossover for the Altec 604-8G that sounds fantastic and should also work well with the GPA 604-8H. I don't know what you all are spending on speakers, but I believe a pair of these run $2K a pair or so.