Axiom Home Page Forums General Discussion Technical Questions Subwoofer setting, at receiver or at the sub

Greg, it isn't crucial as to which control you adjust to reach a proper calibration; the point is to get there regardless of how you do it. Dave's suggested procedure is as good as any. You should be reasonably certain that unless the particular 604 you had was defective that it'll do the job very well if you do your part. No modern HT receiver is designed with an inherently weak sub output.