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Audio and Video Talk
The Vintage Audio Section
Blown speaker drivers, is repair possible?
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<blockquote data-quote="Grinder man" data-source="post: 822621" data-attributes="member: 18757"><p>So on Friday morning my wife switched on the radio, our 2 year old had turned the volume knob to the max and it switched on to a slightly off tune radio station. I clinched at the sound but forgot about it till Saturday when I switched it on again. The right speaker is noisy, distortion like sound but at all levels. I traced it down to the midrange and tweeter, if I disconnect them the noise is gone. </p><p></p><p>So the speakers in question is pioneer hpm-1100's and they have polymer graphite cones. Replacements aren't available anymore and pop up on eBay from time to time. </p><p></p><p>So my questions are:</p><p></p><p>What is typically the mode of failure? The cone coming loose from the driver?</p><p>Is it repairable?</p><p>If so who in Gauteng or is it diy?</p><p></p><p>If I can fix it I can always look for replacements if they pop up later. </p><p></p><p>The cones on the speakers are known to be extremely brittle so I don't just want to trust them with anybody. Also the woofer (15") foam has light cracks you can only see when their moving, is it worthwhile to refoam them?</p><p></p><p>I'm really fond of these speakers and would like to keep them standard.</p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="Grinder man, post: 822621, member: 18757"] So on Friday morning my wife switched on the radio, our 2 year old had turned the volume knob to the max and it switched on to a slightly off tune radio station. I clinched at the sound but forgot about it till Saturday when I switched it on again. The right speaker is noisy, distortion like sound but at all levels. I traced it down to the midrange and tweeter, if I disconnect them the noise is gone. So the speakers in question is pioneer hpm-1100's and they have polymer graphite cones. Replacements aren't available anymore and pop up on eBay from time to time. So my questions are: What is typically the mode of failure? The cone coming loose from the driver? Is it repairable? If so who in Gauteng or is it diy? If I can fix it I can always look for replacements if they pop up later. The cones on the speakers are known to be extremely brittle so I don't just want to trust them with anybody. Also the woofer (15") foam has light cracks you can only see when their moving, is it worthwhile to refoam them? I'm really fond of these speakers and would like to keep them standard. Thanks [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
Blown speaker drivers, is repair possible?
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