Carlspeak

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About Carlspeak

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    Forum Moderator
  • Birthday 08/08/1943

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    http://www.classicloudspeakerservices.com

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    North Central Connecticut

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  1. Looking forward to the major update!
  2. I'm sure both are getting them from the same supplier.
  3. Why bother, unless your looking for an exact restoration. Otherwise, woofer performance is essentially the same. Foam vs cloth,
  4. What's your AR model?
  5. I don't think BA's have gotten the attention that AR and Advent has over the years. So, the dearth of xover info.
  6. Those outboard L-pads are as sealed up as the original A/E pots. The original owner needn't worry about the stuffing.
  7. I started out 'housing' Ohmite rheostats in 3-sided wooden boxes with a top. Eventually simplified to stapling a piece of porous fabric over them.
  8. You can buy 4 of those (delivered) for less than the current price of one similar Ohmite rheostats of which the Chinese rheostats appear to be a copy. Will someone step up and buy a couple who has a DMM to check them out? Of course, consistent quality will always be in question. It's good to know though, the Ohmite's are made in Mexico.
  9. If you're bent on replacing the coils, you'll need to have or find a way to measure what's in there because most coils are not identified. It's most likely an iron or laminate core coil. Those don't go bad over time like lytics do. However, If you want to consider upgrading the coil to a copper foil coil (not sure if this speaker is worth the expense), then It may be worth the effort to determine what the mH and DCR values are of what you have and duplicate them a closely as possible.
  10. When the jumper is removed, you have woofer only operation. No mids and highs. Evidently, back then AR felt that option was worth the extra cost.
  11. Well, welcome aboard on behalf of the CSP management team!
  12. No problem Algo. Hey, nice mic avatar. Wanna swap locations next Winter? I'd love to spend that time in Santa Fe. One of my favorite places in the Southwest. On one of my visits, quite a few years ago now, I was able to locate Stereophile's publishing address. I wandered in the front door, ended up getting the $10 tour, meeting Wes Phillips (RIP) and John Atkinson.
  13. Honest, it's not fake news. Just old news. I don't know why that 2013 thread came back to life. I had nothing to do with it. In fact, I've retired completely as of last fall. Check my web site now. ALL classic new england speaker work is being referred to Roy.
  14. It's a commercial product. Amazon sells them. I wrote a review at Amazon recently. If you like to read patents, this is his initial one: #8,122,995. The product has been revised considerably since that writing, but the basic shape of the curved ear piece doesn't seem to have changed. Below is a link to the inventor's web site. http://www.earglasses.com/
  15. I recently discovered a product that has noticeably enhanced my music listening pleasure. Particularly classical music. I'm of the opinion this forum which is focused on classic New England loudspeakers is populated mostly with folks >=50 yrs of age. They are either a baby boomer (like me) or in the following generation. With the onset of middle age and beyond, our hearing is diminished for a whole host of reasons. During a listening session in my 'man cave' recently, I tried cupping my hands behind both ears. I had been doing that for some time with only my left ear which suffers from tinnitus and reduced hearing. Well, I was surprised to hear more clearly, the violins in a orchestral classical piece. Being the audio geek that I am, I then simply uncupped and cupped during the performance and it was like turning an equalizer on and off. Amazing. So, I proceeded to start searching for a product that could accomplish the cupping and relieve my aching arms from the process. I came across a product call earglasses. They are a simple pair of clear plastic 'cups' you attach to the back of each ear. When I received my pair, I found with some testing, they accomplished the same audible result I discovered with ear cupping. They are very reasonably priced and worth a try for those of you who try hand cupping and want to take the next step. Again, being the audio geek that I am, I constructed a simple test stand from some scrap lumber and ran an acoustical test with and without a single earglass cup and was able to graphically characterize what the earglasses accomplish vs a control (i.e. no earglass). Below is the result of that test. You can clearly see the boost (as much as 12dB) over certain portions of the audio frequency. My results roughly verified the FR curved printed on the Earglassess box and shown on their website. Yeah, I know, wearing these dumb looking things can be embarrassing but, IMHO, are worth it.