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#3148771 08/22/21 04:31 PM
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News comes of the death of Bernhard Stopper, creator of the Pure Twelfth Tuning and related software.
Bernhard's tuning has made thousands of pianos around the world more beautiful.
He identified an ideal sound quality which could be objectively attained.
I believe he saw that his work was changing the way pianos are tuned around the world, even if few people understood what was happening.
I am sad that he died so young, but I'm grateful for what he gave us.


Ed Sutton, RPT
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I was very sorry to learn of this, yesterday.

Mr Stopper was very gracious in responding to my request to let me use his photos of OnlyPure for a page I was adding to my website, about Electronic Tuning Apps and Devices.

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I too am saddened by this news.

Bernhard took some time to explain to me some of the finer details of his tuning method ("from which side to approach" and "until the triad sounds apparently beatless") in a few emails, for which I was very grateful.


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Originally Posted by Mark R.
I too am saddened by this news.

Bernhard took some time to explain to me some of the finer details of his tuning method ("from which side to approach" and "until the triad sounds apparently beatless") in a few emails, for which I was very grateful.

Sad news indeed. Can you share any of the thoughts Berhard had on this "beatless triad" tuning technique? It sound interesting!

Paul.

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Regarding "triad":
Essentially, he always played the note to be tuned together with two notes that were already in tune.
He sent me a copy of his temperament sequence, but asked me not to distribute it, so I'll honour that wish. I think he presented it at a PTG convention, so they might still have the material.

Regarding "beatless": He would over-temper the note, and then reduce the tempering until what he called the "beat masking effect" set in. (What I called "apparently beatless" yesterday.) This effect, he said, only occurred when the stretch of the temperament was a pure P12.

My communication with him was in 2011, when I was much less experienced, and I admit openly that I abandoned the method after a few attempts. He did warn me that it requires advanced lever technique. I think with 10 years more listening and a somewhat improved lever technique, I'll revisit this in his honour.


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we are bewail


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