No doubt in 20yr old speakers, the xovers and internals will need some TLC. I upgrade xovers for many brands of speakers and I'll recommend to you, exactly what I do.
Basic:
Replace caps, resistors, internal wiring (silver coated copper), and inductors (inductors are case-by-case b/c if they are air core inductors, I just leave them alone or if they are in the woofer section of the circuit, I leave them alone)
Just by doing this, even using entry level brand caps like Kimber or Auricap, you'll take your speakers performance a very long way. This will cost you less than a pair of IC's or power cord. Not only does it cost less than an IC or power cord, you'll hear way more sonic improvement.
Another beauty of upgrading xovers, is (in my case) I don't have my customers ship their speakers, just the xovers themselves. This prevents damage to the speakers and keeps shipping costs very low.
Bottom line: no matter who does the xover upgrade, it takes the speakers performance a very long way.
Mike
Basic:
Replace caps, resistors, internal wiring (silver coated copper), and inductors (inductors are case-by-case b/c if they are air core inductors, I just leave them alone or if they are in the woofer section of the circuit, I leave them alone)
Just by doing this, even using entry level brand caps like Kimber or Auricap, you'll take your speakers performance a very long way. This will cost you less than a pair of IC's or power cord. Not only does it cost less than an IC or power cord, you'll hear way more sonic improvement.
Another beauty of upgrading xovers, is (in my case) I don't have my customers ship their speakers, just the xovers themselves. This prevents damage to the speakers and keeps shipping costs very low.
Bottom line: no matter who does the xover upgrade, it takes the speakers performance a very long way.
Mike