risingjay Posted October 14, 2006 Share Posted October 14, 2006 I just picked the other day a pair of Forte II's, 1 KV-3 and a pair of polk audio surrounds for $400! I listened to the Fortes before I bought and they sounded fine. When I got them plugged them into my system and did some more tests, I noticed a buzz at the lower frequencies coming out of one of the 12" woofers. To diagnose the problem, I swapaed the woofers and the problem followed. I hits the lows but just has that buzz. When I push on the woofer evenly, there is no scrap on the voice coil. I'm feeling that the dust cover on the woofer might have become unglued in an area and is causing it to buzz when low frequencies are hit. The buzz is more pronounced at 30 hz and a little at 60 hz. Any suggestions. Thanks, Jay Quote Link to comment Share on other sites More sharing options...
Duke Spinner Posted October 14, 2006 Share Posted October 14, 2006 sure sound's like ya need a woofer .....[] Quote Link to comment Share on other sites More sharing options...
risingjay Posted October 14, 2006 Author Share Posted October 14, 2006 Not a dust cap problem? Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted October 15, 2006 Share Posted October 15, 2006 doubtful, is it physically loose? I think it's a K28 that you'll be asking Klipsch Parts for. Quote Link to comment Share on other sites More sharing options...
soundbound Posted October 15, 2006 Share Posted October 15, 2006 It's probably the woofer, but I did have a woofer buzzing once and found the problem to be that part of the woofer gasket had come unglued and was causing the buzzing. Some white glue and the problem fixed. Quote Link to comment Share on other sites More sharing options...
jerohm Posted October 15, 2006 Share Posted October 15, 2006 The K-25 has a problem where the glue holding the pole vent screen can break off and bounce around underneath the dustcap. People describe problems in different terms, but if this has occurred, you can usually hear it by shaking the woofer. The problem usually will disappear if the woofer is played pointing the cone toward the ceiling; this is more of a rattle at low frequencies, than a buzz however. The solution to THIS problem is to cut off the dustcap, shake out the debris, and glue a new dust cap on. Typically a buzz is something more electronic in nature (to me anyway). Quote Link to comment Share on other sites More sharing options...
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