Baldwin SD

[Tom Servinsky]

 I'm familiar with the process. I misunderstood-understood your post and 
thought you were talking about a source for new agraffes.
Tom Servinsky
----- Original Message ----- 
From: <david at davidandersenpianos.com>
To: "Pianotech List" <pianotech at ptg.org>
Cc: "Pianotech List" <pianotech at ptg.org>
Sent: Saturday, April 01, 2006 6:02 PM
Subject: Re: Baldwin SD


> It entails chucking up Q-tips in a drill, and polishing the agraffe holes
> with them them.  There was an article last year in the Journal written by
> Paul Revenko-Jones, with very groovy pictures and everything.
> Labor-intensive, but if you've ever encountered those agraffe zings
> Avery's talking about, especially in a recording studio, as I have twice,
> you start to see the value of preparing agraffes.
>
> The best to you, my brother......
>
> DA
>
>
>
>
>> David,
>> Enlighten me about the Revenko-Jones-Protocol-prepared agraffes.  I'm not
>> familiar with them.
>> Tom Servinsky
>> ----- Original Message -----
>> From: <david at davidandersenpianos.com>
>> To: "Pianotech List" <pianotech at ptg.org>
>> Sent: Saturday, April 01, 2006 5:29 PM
>> Subject: Re: Baldwin SD
>>
>>
>>>> List (& especially any of you major rebuilders out there),
>>>>
>>>> Do any of you have any direct experience with an SD-6 #118127 (1952 I
>>>> was told)?
>>>
>>>> My question is, there is a tone problem in the middle agraffe
>>>> section. (It's so hard to describe
>>>> sounds in an e-mail.) The dealer kept saying he thought it was
>>>> primarily a hammer fitting/string
>>>> leveling problem. Yes, there is some of that that needs to be done.
>>>> But I believe it's a problem
>>>> in the agraffes themselves. This isn't a hammer fitting type of
>>>> sound. It's a distorted/zinging
>>>> kind of sound. Like a termination problem or something not seated
>>>> well.
>>>
>>>> Am I on the right track about the agraffes? Thanks.
>>>
>>>> Avery Todd
>>>
>>> Yup, I think you are; I've had the same thing happen on a couple
>>> different
>>> pianos with original agraffes---kind of a metallic "emphasis" on a
>>> certain
>>> overtone in the note played and exacerbated by volume.
>>>
>>> Here's what fixed it, TEMPORARILY, for me:  let the string down one
>>> quarter turn; the kink or bend in the string as it enters the agraffe
>>> needs to be "massaged" to a point where it's "straighter."
>>> Do that, return the string to tension, listen and repeat until the sound
>>> diminishes.  The real fix?  Obvious.  Restring the entire piano with
>>> new,
>>> Revenko-Jones-Protocol-prepared agraffes.
>>> This would seem to be a great leverage point in the purchase price.  The
>>> strings are 50 years old; they're done, especially for a school
>>> application.  Sounds like a no-brainer to me.
>>> Have fun.
>>>
>>> David Andersen
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>
>