Historic Temperment Help

[DCrpt at comcast.net]

     Thank you Jason, this is just what I needed to know.The link to the web-site was helpfull too,but a little confusing.The piano we will be using is one that is moved to 442 sometimes so it is used to being stretched out and back,so I think I will keep the original offsets.(that way I don't have to do any math)                                                       Robin Olson  
 -------------- Original message ----------------------
From: "Jason Kanter" <jkanter at rollingball.com>
> What you want is the Romieu 1/7 comma meantone. See attached graphic. The 
> offsets from Equal Temperament are listed here:
> 
>         Jean-Baptiste Romieu (1/7 Comma Meantone, 1755) 
>       C 3.40 
>       C# -4.40 
>       D 1.20 
>       D# 6.80 
>       E -1.10 
>       F 4.50 
>       F# -3.30 
>       G 2.30 
>       G# -5.50 
>       A 0.00 
>       A# 5.60 
>       B -2.20 
> 
> 
> Tuned with these offsets, the piano will wind up about 0.6 cents sharp overall, 
> but A will be at 440. This will create a very small amount of additional 
> pressure on the bridge. The alternative is to reduce all the offsets by 0.61 
> cents, meaning that A4 would be tuned to 439.8 but the overall pressure on the 
> bridge will be unchanged. The difference is negligible so I would not worry 
> about it.
> 
> The note you are moving furthest from ET is D#, almost 7 cents sharp. I would 
> want to use two tunings to bring the piano back to ET after this.
> 
> For more on this: http://www.rollingball.com/TemperamentsFrames.htm
> The Romieu can be found in the Meantone group.
> 
> Jason Kanter
>   ----- Original Message ----- 
>   From: DCrpt at comcast.net 
>   To: pianotech at ptg.org 
>   Sent: Saturday, November 11, 2006 12:19 PM
>   Subject: Historic Temperment Help
> 
> 
>              I have recieved a request form Peter Serkin's management that he 
> would like a historic temeperment on his upcoming solo piano recital on Dec. 3rd 
> in the Washington DC area.The venue will be renting one the C+A Steinway Ds that 
> I take care of  for Jordan Kitts Music.They are asking for a "Seven Comma Mean 
> Tone" temperment.I am primarily an aural tuner,but I do use a Reyburn Cybertuner 
> for pitch raises,duo pianos,fatigue,etc.(in other words I am familiar with the 
> use of the machine) I have looked in the the RCT files and can't find a seven 
> comma mean tone temperment.Do any of you historic temperment folks on the list 
> know of this temperment?And if so,could you send me the offsets for each note in 
> the temperment.According to Mr.Serkin's management he has been performing with 
> this temperment throughout the U.S. and tuners have been able to tune it using 
> an Accu-Tuner.Well I am not going to by a! n Accu- tuner just for this,but I am 
> sure the RCT can be programmed for this temperment.
>              I  attended  one of Ed Foote's HT classes last summer in 
> Rochester,and I am interested in giving HT a try and hearing the concert.However 
> the venue and my dealer are not crazy about re-tuning one of our best pianos.I 
> have told them it won't be that much different than ET and I should be able to 
> bring it back to a solid normal tuning in one tuning.Am I correct in this?We are 
> planning to charge the venue extra for altering the tuning on this piano.                                                            
> Robin Olson RPT     


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