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Perhaps you refer to

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E-Stat

In Reply to: RE: Hard to explain how old ears that can't hear above 10KHz or so... posted by Tre' on December 13, 2016 at 14:33:07

Boyk's work found here.

Perhaps the question is not what we *hear* as much as what we perceive.

Follow Ups:

Yes, that's it. Thank you. (nt) - Tre' 09:27:30 12/14/16 (0)
.
Have Fun and Enjoy the Music
"Still Working the Problem"
RE: Perhaps you refer to - thetubeguy1954 16:48:56 12/13/16 (4)
Hi Estat!

That's an excellent point you made about it not being what we *hear* as much as what we perceive. That's why I said in my first post in this thread; --- adding super-tweeters must create some psycho-acoustic effects that the brain perceives on a subconscious level.

I'm listening to: Shine On Brightly by Procol Harum

Thetubeguy1954 (Tom Scata)

Central Florida Audio Society -- SETriodes Group -- Space Coast Audio Society
Full-range/Wide-range Drivers --- Front & Back-Loaded Horns --- High Sensitivity Speakers
- Procol Harum are one of the greats - rickmcinnis@dogwoodfabrics.com 16:56:56 12/14/16 (1)
  Gets played here often.
  
  Those first four are ageless records.
  
  Music and lyrics that grab your interest even after hundreds of listenings.
  
  Glad to hear SOMEONE else appreciates them!
  - RE: Procol Harum are one of the greats - thetubeguy1954 17:32:04 12/15/16 (0)
    Hi Rick I grew up listening to Procol Harum. A Salty Dog and Shine On Brightly are my two favorite recordings by them! But of course their first Procol Harum was also an amazing piece of work. I also really like Procol Harum Live: In Concert with the Edmonton Symphony Orchestra very much too. IMHO these recordings from the late 60's to early 70's are still very fresh.
    
    I'm listening to: Across The Rubicon by Silhouette
    
    Thetubeguy1954 (Tom Scata)
    
    Central Florida Audio Society -- SETriodes Group -- Space Coast Audio Society
    Full-range/Wide-range Drivers --- Front & Back-Loaded Horns --- High Sensitivity Speakers
- RE: Perhaps you refer to - jad 20:58:54 12/13/16 (1)
  When most of us can't hear above 10k it doesn't mean we can't hear above 10k. It simply means we can't hear 10k at the db level of the 2k-5k frequencies. This is shown in the Fletcher-Munson curves are is exaggerated as we age. If we boost the level at 10k we can hear it. So even though the super tweeter might be -7.5db down or more within the hearing range and rising to 0 or plus db at our crossover frequency which might be out of our hearing range, we are still adding (tweeter plus super tweeter) to the db level within the upper limits of the hearing range (rising from 5k to 15k) while not adding to the 2k-5k range. In other words by adding a super tweeter, aren't we providing a hf boost within our range of hearing and flattening the hf curve? Even if we have not truly flattened the frequency curve we have added to it which is something we will hear and the extent of what we hear will depend on not only the crossover frequency providing the additive curve, but our own hearing range.
  - Fostex Alnico Tweeters and/or Other Options - cin5 17:25:15 06/19/24 (0)
    Hi,
    
    I know this was years ago but regarding your posts on this thread
    
    https://www.audioasylum.com/cgi/vt.mpl?f=hug&m=176989
    
    What trade offs, if any (e.g. sound stage width and/or depth??), would you expect if using Troy Crowe's lenses with any of these Fostex,
    or that Visaton TL16H-tweeter?
    
    https://youtu.be/e6QiCzbUhkg
    
    https://youtu.be/8oEwQ85iyyA
    
    Also experience with the Visaton TL16H-tweeter?
    
    Or your best recommendations for a tweeter with either of these horns with a B&CDCM50 midrange?
    
    https://josephcrowe.com/products/3d-cad-files-horn-no-1994-es450-biradial-for-jbl-2446-2-throat
    
    https://josephcrowe.com/products/3d-cad-plans-for-es-290-biradial-horn-horn-no-1670
    
    Thanks for your comments to that great thread!
    
    Greg
    - (Open in New Window)

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