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bach_tunings · Modern JSB tempering and more about JSB

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  • Category: Other
  • Founded: Dec 14, 2005
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Description

The pic. illustrates Andreas Sparschuh's
reinterpretation of JSBs heraldic signet
MGG1 Vol.1, p.1041 (Jg.1949)

Pitch, frequency := . . . prime-factorization
.A . 1025/9 . . . . .:= . . . 41 * 5^2 / 3^2
.E . 1025/3 . . . . .:= . . . 41 * 5^2 / 3 . .
.B . 1025 . . . . . . := . . . 41 * 5^2 . . . . .
F# 3
C# 9 . . . . . . . . . .:= . . . . . . . . . . . . 3^2
G# 27 . . . . . . . . := . . . . . . . . . . . . 3^3
D# 81 . . . . . . . . := . . . . . . . . . . . . 3^4
Bb 243. . . . . . . . := . . . . . . . . . . . . 3^5
.F . 205/9 . . . . . .:= . . . 41 * 5 . ./ 3^2
.C . 205/3 . . . . . .:= . . . 41 * 5 . ./ 3 . .
.G . 205 . . . . . . . := . . . 41 * 5 . . . . . . . .
.D . 153 . . . . . . .:= 17 . . . . . . . . * 3^2

That results in ascending order:

.C . 273+1/3 cps middle C
C# 288
.D . 306
.E . 341+2/3
.F . 364
F# 384
.G . 410 ~coeval Cammerton
G# 432
.A . 455+4/9cps ~Choirtone
Bb 486
.B . 512.5

Most Recent Messages

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Re: New temperament hint??
This signature does look like baroque writing decoration and I recall something similar on Bach's Leipzig employment contract - much different from his
Posted - Sat Jan 12, 2013 4:29 pm
Charles Francis
bachjohann_s...
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New temperament hint??
Look at this and judge how you'd tune it...:) http://www.nypost.com/p/news/national/lousy_dollar_sign_CXv1Iid7cYUOIuqoCuMmNN Miklos
Posted - Fri Jan 11, 2013 3:41 pm
Miklos Spanyi
liminkalainen
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Nikolay Diletsky Circle (1679)
Would anyone with a competence in 17th century Russian manuscripts care to interpret the following 'circle'?
Posted - Sun Dec 2, 2012 3:18 pm
Charles Francis
bachjohann_s...
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Re: FW: WTC/tuning
Hi, I agree that Bach may have used different temperaments. Perhaps a different on on 30 April than on 1 May etc. Different temperaments on different
Posted - Wed Feb 8, 2012 6:19 pm
Mikka
liminkalainen
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FW: WTC/tuning
From: microstick@... To: bach_tunings@... Subject: WTC/tuning Date: Thu, 2 Feb 2012 10:45:24 -0700 Hey, nice posts. Indeed, we really do not
Posted - Thu Feb 2, 2012 5:46 pm
Neil Haverstick
reckufgip
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