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Thoughts on replacing caps in 30 year old speakers

Thiel cs7 to be exact . Worth the investment ? Upgradew internal wiring at same time ? Thoughts please .
maplegrovemusic

Showing 2 responses by timlub

timlub
2,043 posts
 

Changing caps to a very different part will be audible,  but it will not re create this speaker... It will be more like a difference in character of the speaker.... slightly more or less detail, slightly more rolled off or more extended,  etc,  but it will not be like changing speakers.  This speaker used very good parts overall and it would take a expensive upgrade to make a noticeable difference.  For me,  not worth them money,  For You?

Good Luck either way,  Tim

timlub
2,043 posts
 
If I remember correctly,  this speaker uses mostly the higher voltage Solen Polypropylene caps, The 400 to 630v parts are pretty decent. If someone brought these to me to do, I would first recommend changing the series caps in the upper midrange and next the series cap in the tweeter and lastly the series caps in the lower midrange.... If your replacements are good enough,  you'll hear these changes in a positive manor.  I'm really not sure that changing anything else will make a marked difference.  These crossovers have some fairly extensive compensation circuitry,  but I really believe that you'll spend a ton to replace these comp parts with minimal if any improvement. (as long as the compensation parts are polyprop and 250v or higher) 
I hope this helps, Tim
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