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JBL L100 Century Speakers Crossover Upgrade Kit

If you own a pair of JBL L100 Century speakers and want to refurbish or upgrade your JBL L100 Crossover for improved sound by using a modern crossover, I highly recommend the JBL L100 Century Upgrade Kit from Jantzen Audio designed by Troels Gravesen in Denmark. The L100 drivers are still as good today as when they were originally produced, but the sound can be greatly improved with modern crossover technology.

JBL L100 Crossover Kit

Read the Troels Gravesen L100 Crossover article to learn more about this JBL L100 Crossover Up-Grade Kit, including detailed frequency analysis comparing before and after the upgrade, photos of the components used, and feedback from upgrade kit buyers like myself.

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