Iwan Arjanto on Instagram: "JBL crossover upgrades from Echo Mountain Audio's www.echomountainaudio.com Biased Capacitor aka Charge Coupled Capacitor In the early 90's JBL began experimenting with biased capacitors. Pioneer by Greg Timbers -
A JBL white paper and a bunch of questions about what's possible - Technical/Restorations - The Klipsch Audio Community
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Universal Crossover Modification - capacitor battery bias - Technical/Restorations - The Klipsch Audio Community
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