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Actually there are quite a few early music instruments that are tuned to 415.These are used for playing Renaissance and Baroque music.I would not tune a modern piano below 440 because of the reasons already suggested.I think if I had an old piano which because of looser pins could not maintain tuning at 440 I would not hesitate to have it tuned lower.
Whatever works best for you and your piano.


My piano's voice is my voice to God and the great unknown universe, and to those I love.
In other words a hymn. That is all, but that is enough. tre corda


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Oh yes, absolutely.

It just amused me to encounter a piano that, by chance, was actually at A432!

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Anyway, folks, A432 isn't the right one! The proper frequency - "the frequency of love" - is 528Hz (which means A444).

Didn't you know that?

For $62 (yes!) you can buy a little pitch pipe, as seen in the YouTube video. The only thing is, the sound Dr. Chopra produces from his "Lovetuner", is not actually AT a frequency of 528Hz......

To rectify this deficiency and spread love in the world, out of the sheer goodness of my heart, I have recorded and uploaded to YouTube, 64 Seconds of 528Hz, which anyone with a smartphone can now listen to anywhere, for FREE! Isn't it good of me to spread the love in that way?

Curiously, when I emailed the Lovetuner people about this, they didn't seem that impressed....

Here's Dr Chopra:




ANd here's MY 528 video:

Last edited by David Boyce; 10/09/21 06:53 AM.
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I think you are being unfair David. It's not just the whistle...you get a chain as well!

smile
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Yes, of the cheapest hardware store kind!

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I've had one customer that requested 432, but I talked her out of it with the cost of pitch lowering, then raising if she wanted to go back to 440.

It all sounds very nice, but here's the reality: Most people that play the piano don't sit there just playing the A432. Even if they did, the pitch is sure to rise and fall with the weather. Would they notice if the pitch changed .3 cents sharp or flat? What about 2 cents? Would the customer notice? How far from 432 is too far to lose beneficial qualities (if there are any)?

The other issues are the realities of ET and inharmonicity. Does it matter if the fundamentals of the other A's are not exact mathematical doublings?

The whole premise seems to fall apart with close scrutiny.

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I was under the impression that this doc was..."smart"...hmmm.

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I have no idea what inspired the above comments, mind you this thread certainly does drift...My comments related to a post in PW where I once read of someone who bought an antique piano who mentioned how much they enjoyed playing this piano.He mentioned his piano was maintained at a tuning which was below 440 because of its age.So as a person who relies on her technician and who's piano is able to maintain 440 I was just intrigued by these questions. .My knowledge of tuning is nil so I shall bow out.One day if my old Feurich no longer is able to stay in tune 😉, I shall perhaps enquire here what should be done..


My piano's voice is my voice to God and the great unknown universe, and to those I love.
In other words a hymn. That is all, but that is enough. tre corda


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tre corda, this thread was started a year (and four days) ago by someone pondering about altering the pitch of a Yamaha U3 piano "for spiritual reasons" to A432. Some lively discussion has followed, which has gone in various directions.

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Yes thanks David,I have since read quite a few of these pages I understand better. As a non technical person I should not have posted here especially since I do not understand most of what is going on.😳 My apologies.I must say it is an interesting read though!


My piano's voice is my voice to God and the great unknown universe, and to those I love.
In other words a hymn. That is all, but that is enough. tre corda


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tre corda, I am sure you are very welcome to post here! You don't have to be a piano technical expert.

I think probably the thing that CAN be annoying here (well I find it so anyway) is when someone comes in, wanting everyone to give time and expertise for free to solve a problem with their piano, but they are obviously unwilling to pay a local piano technician to come and advise.

Otherwise, I am sure all relevant input is welcome!

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👍👍

Peter Grey Piano Doctor


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Big bump to this thread after reading through most if it out of extreme curiosity.

Recently learned some information that I don't think anyone has mentioned here. ***Precise temperament tuning*** coined by Robert Edward Grant. This temperament and a4 at 432 creates some pretty cool mathematical results

Sum of all angles of an equilateral triangle is 180. 180hz, using PT and 432 is F#

Sum of all angles of a square is 360. 360 hz is higher F#

Pentagon, 540hz is C#

Hexagon, 720hz is F#

Heptagon, 900hz is A#

Octagon, 1,080hz is C#

Spells an F# major chord.

F# is in between do re mi fa and sol la si do.

That 360hz F# is said to correlate with the heart energy center, uniting the lower 3 with the upper 3.

"geometry is the music we experience with our eyes and music is the geometry we experience with our ears". -Robert Edward Grant

Anyone tried this before?

Found this neat info on using PT:
https://tonimazzotti.com/how-to-create-and-use-the-precise-temperament-for-432-hz/

And here's Robert Edward Grant speaking about it:

Last edited by PassionatePianist; 07/29/23 10:29 PM.

"Simplicity is the final achievement." - Chopin
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Here's the video


"Simplicity is the final achievement." - Chopin
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I think 432 sounds better. But now I know after reading this to never to bring it up or people will think im nuts.

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Originally Posted by gravis82
I think 432 sounds better. But now I know after reading this to never to bring it up or people will think im nuts.
When I was a child I used to like A=430.54 ... AKA C=256 which was called "scientific tuning". All the Cs are a power of two!

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I say if you like it, go for it. If it doesn't do anything for you, that's OK, too.

Star-bellied sneeches anyone?? wink

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In the interests of diversity and inclusivity, A432.08 should be part of every smoking ceremony and cultural awareness programs.


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Going to 432hz is unlikely to produce highly satisfactory results, however raising it to 443hz or even 444hz will likely exhibit noticeable improvement. However if playing with other instruments might be problematic. Also string and structure should be in excellent condition.

Peter Grey Piano Doctor


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These videos are amongst the stupidest things I've ever seen. If someone likes 432, of course there's nothing wrong with that, but this pseudo-scientific nonsense is alarming.

Last edited by johnstaf; 01/29/24 04:33 PM.
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