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Kef 103/4 Need help in overhauling,No bass at all

Great midrange and soundstage, but the lack of bass in this little speaker is driving me nuts!So I've decided to remove
all the bass units and go with an external bass source. I've
removed the crossover and all the old wire. I'm now left with two empty compartments where the bass units used to be and I'm thinking of adding 40lbs. of led shot to the lower one and isolating the xover in the middle. Can someone please suggest a good cable that I can hardwire to the xovers and drivers. That's right hardwire from input to output. No binding posts or cable termination! I hope it works. I also need advice for the bass. Should I run a cable from the xover to an external passive sub or should I go with a powered sub? And which one would best match the Kefs? Any advice would be of great help.

Thanks, Alex
albarba

Showing 1 response by rwwear

rwwear
2,890 posts
 
Removing the bass drivers and crossovers does not sound like the correct procedure. If you add a sub, you will have to cross it over so high that it will sound very muddy and will also make it easy to localize. I think you should leave the original drivers and xover and add a sub if need be. Do not run the KEFs through the xover. Let them roll off on their own and set the sub for the lowest xover setting that you feel gives you the bass needed. This allows you to position the speakers where they image the best without trying to re-enforce bass frequencies. And not running the KEF's through a xover keeps them purer sounding.

Robert Wear
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