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Showing results for tags 'ar90 crossover'.
Many of you recall from my post titled "AR-9 / AR-90 Crossover Re-capping Adventure" that I had a heck of time trying to find the proper combination of the attenuation resistor switches to achieve acceptable results. People probably thought I was crazy or losing my hearing. The culprit was the 24uF Solen MKP 400V capacitor installed inline with the Upper Mid Range (UMR.) It was all over the place depending on program material. It sounded anywhere from great to shrill and exhibited the uncanny ability to drill down into a recording, extract whatever grain is there and put it front and ce
I decided it's time to begin my adventure into rebuilding the crossovers in my AR90's. AR Surround's thread kind of got me to it. Also I have noticed the Right speaker (UMR) was not quite as loud as the left - so its time. I pulled a woofer to take a peek. One crossover was very neat and looked easy to remove the old caps. The other was well, uumm ........ here's a picture. Looking for ideas on how to clear away the mass amount of glue. The glue is still a bit gummy but still hard. My wife and son go away during April vacation to Newport so that's going to be prime time to work on them.