I have a Alpine pdx-5 with Polk db6501 in front and a 10in Ken wood sub.
I know that adjustment points are subjective but I'm looking for a good starting point for crossover for the sub and Polk db 6501 the tweeters are on Polk's passive crossovers also would it be a good idea to leave the 3db switch on the passive crossover for the tweeters in the middle or + - 3db.
Thanks