pb8000
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Crossover mods for the AR4x
pb8000 replied to speaker dave's topic in Mods, Tweaks, and Upgrades to the Classics
I am restoring an AR4x using a Parts Express phenolic ring tweeter. I added a 2nd order high pass filter - cap followed by a coil - and used an air core .25mh, 18 gauge inductor from PE.