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In Reply to: RE: What is the point going so high? posted by pix on December 12, 2016 at 12:05:18
And yet in experiments with super tweeters with a claimed low end of 15K, I seem to be able to tell when they are in the system and when not,
Blinded, of course, which is a pretty easy test for me as while my hearing is good for an old guy, my eyes are pretty bad.
Follow Ups:
I feel there are resultants on high, that come down the scale into the midrange. As we age, we hear those resultants, and judge easily what sounds real or canned.
I recall Bob Fulton, in about 1983 give or take, tell me about an 80+ year old woman on his Listening Panel, who couldn't hear a watch tick, and had 'nada above 5K. One day, Bob removed the fuse from is tweeter section's highest-playing driver, maybe, lets say, 32 K on up to 100K, and the Old Woman blurted out to Bob " What Happened To The Highs ".
Jeff Medwin
I thought humans "hear" the real high stuff through the bones in our head.
I don't know, I read that somewhere.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Boyk's work found here .
Perhaps the question is not what we *hear* as much as what we perceive .
.
Have Fun and Enjoy the Music
"Still Working the Problem"
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
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!
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
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.
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