Will I notice improvement with crossover mods?


I've finally discovered that the difference in sound between my two Hales Transcendence 5"s is due to a difference in crossover values between the two speakers. Aparently one of the speakers was at the correct values but the other speaker's crossover was off by over 10%. I've decided to repair the speakers by having both the crossovers completely redone with new caps, coils and resisters. The crossovers of both speakers will be upgraded to better parts and they will be the same correct values(evenly matched).
My question is that will I notice a big improvement with this upgrade/mod? I am having Solen foil caps replacing the old caps, Hepta- Litz coils replacing the old coils and improved resistors although I do not know exactly which ones. Opinion would be appreciated.
128x128mitchb
I am one of the biggest proponent of loudspeaker crossover improvements on Audiogon, but like spices in cooking, care needs to be exercised.

Finding good resistors, such as Mills or Ohmite, will always pay dividends in the treble. You really cannot go wrong here, as getting a good resistor, as opposed to those used in almost all speakers, will smooth out the response while allowing more information to flow through at the same time. The effects are such that it is the best upgrade you can make valuewise to a crossover.

Likewise, better coils always improve things. The key is to go to coils with better copper and a larger guage. The impact and slam jumps up, but what I hear and is not normally noted is that the sound just plain opens up. It's hard to describe, but it feels as if you have just gotten a much better loudspeaker.

Now capacitors, here we can understand why many people will advise you to just leave well enough alone. You have to be very careful with your choice in capacitors, as the wrong one will ruin the sound of your loudspeakers. The biggest danger is that many of the "good" capacitors can bleach out the sound and turn it harsh. They can lay bare and bring out a lot of the nasties in a system. Capacitors should always be used to balance things. Going for a better cap can often bring about the opposite of improvements.

My advice when it comes to caps is to analyze what kind of sound you are getting from the speakers now, and which direction you go in. If you are trying to back a speaker off from being upfront, most West Coast caps are not the place to look. As an everyday cap, which will almost never get you in trouble Solen/SCR/AXON caps are wonderful. Above that, AuriCaps, DynamiCaps, and North Creek's caps are superior, depending on the sound you are aiming for, but the costs jump up considerably.

I have never heard of Mundorf prior to here on Audiogon this weekend, but it seems as if they have their followers here in this thread. Maybe they are also that good?

GOOD LUCK!
Great advice Trelja!! I wanted to mention the inductors.But I didn't want to confuse Mitchb anymore than I have already! LOL
Thanks for all your advice. I am researching the availability of different caps through the shop where my speakers are at. I may go with the Solen parts as they are easily available but I will wait and see what the technician has to say about his availability for better parts. How are the Solen Hepta-Litz coils, Solen foil caps and their best resistors? Thanks again
So now I am waiting for the return of my speakers with Mundorf Supreme Silver/Oil caps all around, Mundorf Zero Ohm coils and MR10 non inductive metal oxide resistors. It will be interesting to hear how my Hales will sound with these moves. As they were always different sounding from each other due to one of the crossovers not being correct, I'm sure I will enjoy the sound. As well I have my Pass X250 being looked at by Pass Labs as the right and left channels sounded different from each other as well. If the speakers weren't enough I had an amp problem as well just to confuse the issue.At least all is being taken care of at the same time and I won't have to have my system down much longer than necessary. Thanks for eveyones advice as I'm sure I'll get a better loudspeaker returned than I sent out
Mundorf makes excellent components. You will hear the generic "sound" of your speaker design much better now, and clarity should be improved. Allow the coils some (break-in) time before passing judgement, however.