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Found 5 results

  1. And the answer is 'Yes' and Vicious-Poodle has created THE SUNFIRE TRUE SUBWOOFER SIGNATURE 12 EARTHQUAKE SOUND HYBRID MONSTER!!!! MWAHAHAHAHAHAHAH (Lightning cracklE and thunder crash!) So, about two weeks ago, I purchased on EBay, a used Sunfire 12 inch Signature with a bad amp plate for under $400 in piano black. I always wanted one and that price was a steal. When it arrived, I swapped in the plate from my 10 inch Sunfire Mk II. I was horrified to hear a terrible Death Rattle in the passive radiator. All my research showed no one sells a replacement and the odds of finding used body parts for the 12 incher are slim. I took out the PR and tried rubberized epoxy where the rubber meets the wood disk, glued around the center weight, tried everything, and still the Death Rattle. What to do. And I don't take no for an answer. While watching TV I had an epiphany: The Earthquake Sound Supernova 12 looks and works a lot like this Sunfire. Maybe that passive radiator can be bought and fit in? A search on Ebay showed that there is indeed an Earthquake Sound 12 inch passive radiator for sale. The one closest in size is the SLAPS M-12. Looking at the specs, the cut out needs to be about 1/8th inch larger. The SLAPS technology is better tech than the original passive radiator. There is no spider, glued on disk, heavy center weight that can rattle and cause issues. And it's very affordable! (The original seller on Ebay paid for it! How nice is that?) With a huge wood file in hand (see photo), I enlarged the opening enough for it to fit in snugly. Took about an hour w/ interruptions. The bolt pattern is identical to the original so no new drilling of holes is needed. All the hexagonal bolts were replaced and tightened (one bolt was stripped so I used a larger screw and nut in its place.) Everything was nice and tight so it was time to give it a try. I was beyond amazed! I did a frequency response sweep and there was huge output you feel at 20 HZ diminishing to an unbelievable 14 HZ. The SLAP-12 has like 3 or 4 inches of excursion. Where the Jurrasic World trailer would crash my Sunfire 10's, this monster had no issues. The bass was awesome. It could even do that 16HZ organ piece (Symphony No. 3 (Saint-Saëns). Since this is a better passive radiator than the original, I ordered a SLAPS M-10 for my MK II Sunfire. I think that might even fit in with less filing. I will let you know how that works and if it improves the performance. (Right now these 20+ year old subwoofers seem to easily get over-driven on new material. My theory is it's the passive radiator.) So, everyone, there is a replacement passive radiator for your Sunfire Signature 12. I will let you know in another week, if the same can be done for the 10 inch model. Best wishes and stay safe! V.P.
  2. I purchased a pair of AR-5s off Craiglist. Both speakers had Radio Shack replacement woofers in them. My question is this: does it make a difference if I purchase set of 10-inchers off E-bay from the era, or, alternatively, should I just go ahead and spend the $ on replacement ones off Vintage AR Parts. There's a set of AR-5 woofers on e-bay right now for $130; Vintage AR will sell new a new replacement pair for another $10. Are there any opinions about which of these woofer replacements would be better. Or, alternately, I suppose I could keep the radiocshack polycone ones.... Any suggestions would be appreciated. Thanks
  3. I think I am not alone in realizing this forum has a cycle of topics that ebb and flow through the years. For this reason I thought I would research the archives before asking a question about efficacy of capacitor replacement in my AR 58s pair which have the original capacitors and sound identical and OK to me. I came across this thread from 13 years ago that still seems very relevant , at least to me. I discovered what I was thinking had already been expressed by others years ago. I thought I would share. Enjoy ADAMS
  4. Hi! I am new to this forum and those great loudspeakers from AR. I have a pair of ar3a improved with one bad tweeter. I would like to replace the AR tweeters with new ones. The most common recommendation at this forum is the HIVI tweeter. Maybe I would like something more refined. I saw one thread where one member had used the SEAS Excel T25CF-001. Have somebody else used this tweeter? Is this a good choice? Does it need modifications? Thanks for answers! Jesper
  5. Here is a relatively new LD22 Low Distortion 22mm Tweeter from CSS. It combines a smooth frequency response and low distortion and it has been tested by quite a few speaker designers. http://techtalk.parts-express.com/showthread.php?241344-New-CSS-tweeters/page2 Compared to HiVi Q1R 1-1/8" textile dome tweeter, which has been recommended as a candidate for AR3a tweeter, LD 22 will provide better dispersion in the top octave due to its smaller dome center.
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