action ratios

[Stéphane Collin]

Thank you very much, David.

I'll try the 11:30 12:30 parallel to molding stitching.  (I never done this )
What type of hammers would you recommand ?  Renner blue ? (but I believe this is for us market only, isn't it ?)

Stéphane.

----- Original Message ----- 
From: "David Love" <davidlovepianos@earthlink.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Friday, November 01, 2002 11:01 PM
Subject: Re: action ratios


| I hesitate to make voicing suggestions from afar, but I have had similar
| problems with Abel hammers.  If the piano jumps from pp to mf with little in
| between and the piano sounds open and is not breaking up at ff levels then
| that suggests to me that the outer layers of felt in the 10-11:30 and
| 12:30 - 2:00 range need some needling to about 4-5 mm tapering down as you
| approach the crown.  Abel hammers sometimes benefit from a couple of deeper
| stitches parallel to the molding in the 11:30 and 12:30 area also.  But I
| make these suggestions with some reluctance because I don't know if I would
| interpret what I would be hearing the same as you.  I can say that in my
| experience, you have to work a little harder to get those hammers to open up
| at various levels.
| 
| David Love
| 
| ----- Original Message -----
| From: "Stéphane Collin" <collin.s@skynet.be>
| To: "Pianotech" <pianotech@ptg.org>
| Sent: November 01, 2002 1:21 PM
| Subject: Re: action ratios
| 
| 
| Hi David.
| 
| I use Abel hammers (no underfelt, referred to as Bechstein model, quite
| hard).
| I do much low shoulders deep needling to open up the tone and avoid
| distorsions at forte level.  Then I even out volumes at different dynamics,
| and end up with very light blow colour evening (with sugar coating).
| I always get the sound good (enough for me), but I always end up with
| something musically difficult to control.  I ended up thinking this is a
| specific Bechstein desing problem, as the Steinways I restored never rose
| this problem.  I am probably wrong, am I not ?
| I try to achieve 10 mm key dip, and 47 mm blow distance.
| Following my experience, needling more than what I do would result in loss
| of power at forte playing, and reduction of colour shades (which again seem
| to be more easily achieved in Steinway pianos).
| Any further idea ?
| 
| Thanks for spending time.
| 
| Stéphane Collin.
| 
| ----- Original Message -----
| From: "David Love" <davidlovepianos@earthlink.net>
| To: "Pianotech" <pianotech@ptg.org>
| Sent: Friday, November 01, 2002 9:11 PM
| Subject: Re: action ratios
| 
| 
| | My first reaction is to say that I would look at it as a voicing problem.
| | What kind of hammers are you using?
| |
| | David Love
| |
| |
| | ----- Original Message -----
| | From: "Stéphane Collin" <collin.s@skynet.be>
| | To: "Pianotech" <pianotech@ptg.org>
| | Sent: November 01, 2002 11:58 AM
| | Subject: Re: action ratios
| |
| |
| | Hi Richard, David, Bill, etc.
| |
| | I've been following the thread with much interest.
| | May I ask an innocent but pragmatic question (I think related to this
| topic)
| | ?
| | More than often, I encounter this problem when rebuilding Bechstein pianos
| :
| | I get the sound right, I get the touch feel ok, but the whole instrument
| | always happens to be difficult to control, as the dynamic output switches
| | too quickly from PP to mF (I mean :  the dynamic shades are not
| progressive
| | enough.  Very soft playing is fantastic, very loud also, but progressively
| | crossing from soft to loud happens to be difficult to control, as sound
| gets
| | loud too quickly, which is musically not desirable at all).
| | How would you all cure this problem ?
| |
| | Thanks to all for great expertise.
| |
| | Stéphane Collin.
| |
| |
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