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Norman Nicolai

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About Norman Nicolai

  • Rank
    Advanced Member
  • Birthday August 13

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  • Gender
    Male
  • Location
    Bloomfield, NJ
  • Interests
    Keeping my family alive during the pandemic. Vintage Fisher receivers; AR and Pioneer turntables; KLH, AR, Advent, and EPI loudspeakers.

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    nnicola@verizon.net

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  1. "You make it sound like owning these speakers is an investment. Neither speaker is particularly valuable, in spite of being very popular. In my market, neither of them would bring much over $100 to 150 unless they were in pristine condition. But they are an easy sell considering their popularity." It's not that they are an investment, but I am a collector with over 13 different sets of speakers, so value is one consideration among many. I really don't expect them to gain much in value considering that there are so many for sale on eBay and Craigslist, especially the Model 17 which
  2. I need to make space in my basement because it's getting too crowded with sets of vintage speakers. I've decided to part ways with either a set of KLH Model 17's or a set of EPI M100's. The EPI's are an early edition with Walnut cabinets, rubber woofer surrounds, and the first generation tweeter. The KLH speakers are probably from the early 1970's and are in good shape, refinished, recapped, and sealed recently with Roy's goo. The EPI's are also recapped, refinished, with new binding posts replacing the original EPI garbage. The EPI's have better bass response, even though the woofers are smal
  3. Just wanted to resurrect this stream in order to find out if anyone has yet heard the new KLH Model 5 speakers? I’ve read and seen positive reviews online but I’m wondering if anyone with “Classic Speaker Pages” ears has listened to them first hand? A couple of reviews: I’ve called a number of audio stores that normally stock the KLH brand. None of them have the Model 5. I think it’s going to be hard to find.
  4. Thanks for including the thread from that older post, JKent. I had read that the 12’s and the 5’s had interchangeable woofers from more than one site. I was wondering where you got your information, and it looks pretty definitive. That’s why I love this site. I always learn something.
  5. I’ve been using this site for info and have found it very useful: http://aphenos.net/av.htm
  6. JKent knows more about this than I do. I stand corrected and would go by his advice. I was basing my information on this index: http://www.aphenos.net/electronics/speakers/klh/all_klh.htm
  7. Hi AndrewJ. Welcome to Classic Speaker Pages. The Model 5 used the same woofer as the KLH Model 12 and Model 23. If you are looking for replacements you should stick to those models in order to match what you have with the undamaged woofer. There are other KLH 12” woofers, as in the Model 6, but they are different woofers and won’t match your undamaged woofer. You should not have to change out both woofers as long as you can get a replacement that matches what you have. I think you may be able to find replacement speakers on eBay, but there are none listed when I looked earlier today
  8. With balsa, as with most other wood, you just have to make sure that the stress will be exerted at a right angle to the way the grain runs, otherwise it's not very strong. I have the grain running with the long length of the Masonite on the the grille. Although it is not clear in the original photo, the balsa is about six inches long. I've included a better photo. Apropos of JKent's Corvette C5 story, during WW2 the British made a high performance fighter aircraft, the de Havilland Mosquito, almost entirely out of wood, much of it balsa that was laminated in cross grain layers. It is
  9. I fooled around with using strips of balsa wood glued to the inside of the original Masonite to reinforce the area that’s cracked. It held up pretty well using Elmer’s glue. However, then you have the problem of the grill not sitting flush on the speaker because of the additional thickness of the reinforcing balsa. My solution was to glue a small block of 1/2 inch wood on to the speaker front, and then attach the Velcro to the block. It’s an offset pushing the grill slightly forward allowing for the thickness of the wood on the Masonite. If you’ve ever seen Advent speakers they always have tha
  10. If they are the orange domed tweeters you can send them to “vintage-ar” on eBay: https://www.ebay.com/itm/ACOUSTIC-RESEARCH-AR-3-AR-2ax-TWEETER-REPAIR-SERVICE-LOW-VOLUME-NO-OUTPUT/193473033903?hash=item2d0be436af:g:fRcAAOSwCNpaw-sP If they are the black domed tweeters from the later model AR-2ax speakers you may need to replace them with an aftermarket tweeter with a similar design and sound. “vintage-ar” also sells them on their site.
  11. This is a real puzzler. I don’t have an explanation for why one speaker is testing at 4 ohms and another at 8 ohms. That’s definitely off and perhaps something was replaced incorrectly as another member indicated. I think that some of the other anomalies are probably more easily explained. For one thing, as you indicated, the speakers are definitely not a matched set. The serial numbers are far apart and one speaker is badged as Epicure and another as EPI. As far as the dust caps, if the woofers were refoamed, which they probably were given their age, the dust caps from the speakers in on
  12. As far as the caps go, according to the Human Speakers schematic it’s a single 10.0 uF cap for both tweeters. However, Huw Powell, the individual who runs the Human Speakers site, has a blurb on one of the pages about replacing whatever is in your speaker with the same component. EPI crossovers varied sometimes, including different versions of the M180 crossover. His schematics are based on the majority of what he seen. Please be aware of that before you consider swapping the caps. Congrats on your purchase and I hope you have many hours of listening enjoyment!
  13. The 180’s are part of the 2nd generation of EPI speakers which are all vinyl veneer. Anything made with real walnut was usually badged as Epicure for those 2nd generation speakers. The tweeters for the 180’s are also almost certainly 2nd generation. By that time EPI had also switched to foam surrounds, the first generation speaker surrounds being all rubber. I’m with JKent on this. Use your ears to judge. It sounds like a good price, although I was able to get a set of EPI 100’s in real walnut veneer for $100 a little over a rear ago. But don’t let that sway you, as I think I was really l
  14. I did not type what I was thinking. Correction: You will need two 2.0uF capacitors and one 8.2 uF capacitor for each speaker.
  15. JKent is absolutely correct, the caps in your Model 17 have to go. KLH made great speakers, but they were notorious for using inexpensive capacitors in their speakers that had a limited life span. I was just concerned that you were going to recap the speakers and blow another tweeter somewhere down the road, and original replacements are becoming harder to come by as vintage equipment continues to be popular. BTW, if you replace the KLH tweeters with something else you will almost certainly degrade the quality of sound. JKent can confirm this because I think I learned this from him origin
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