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Some questions about things i noticed about my piano #2796448
12/29/18 10:14 AM
12/29/18 10:14 AM
Joined: Dec 2018
Posts: 24
R
Rtje Offline OP
Full Member
Rtje  Offline OP
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Joined: Dec 2018
Posts: 24
So recently i bought a 1985 yamaha u3, i did not have it checked by a tech before purchase because i trust the seller, and have a guarantee. Im a beginning player, but im starting to notice a few things about my piano now. I would like to know if there is reason for concern or these are things that can just happen with a piano.

- multiple bass strings buzz a little, (little high frequency metallic noise) one in particular does this, the rest is not that noticable. From what i have read this could mean the copper winding could have become a little loose from aging. Probably an easy fix for a tech by twisting the strings?

- when i press the keys very softly so it does not play a sound,, on some keys, the hammers stay jammed against the strings instead of bouncing back a little. This happens on multiple keys, mostly in the middle section of the piano. The piano should be regulated, is this a problem? Other than this, it seems to play fine as far as i can tell.

- one key makes a clicking noise when i play it hard. (i just noticed it today because im learning to play the house of the rising sun, and it makes me play some keys repeatedly and harder.)


Other than that everything seems to be fine. It plays nice to me, it sounds good. The action could be a little heavy but i don't know because im a beginner, i think it's probably normal, with the soft pedal depressed it's very light to me. I did run a checklist of things i got of the internet. Everythings looks good, soundboard and bass bridge look perfect, not even hairline cracks. Everything about the tuning pins looks perfect. Not much sideways movement in the keys. And everything inside looks just nice and clean. Also, it seems to be still in (perfect?) tune even tough it was moved to my house. And definitly no buzzing sounds like something is loose or cracked, i heard some of these buzzing sounds when playing other piano's in my search for one, mine sounds clean.

Any input is appreciated!


U3 1985
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Re: Some questions about things i noticed about my piano [Re: Rtje] #2796457
12/29/18 11:15 AM
12/29/18 11:15 AM
Joined: May 2013
Posts: 2,140
Scotland
Beemer Offline
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Beemer  Offline
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Joined: May 2013
Posts: 2,140
Scotland
What did you mean when you said "the Piano should be regulated"? Are you meaning whoever sold it to you said they had regulated it just before you bought it?

Ian


I'm all keyed up
2016 Bl├╝thner Model A
Re: Some questions about things i noticed about my piano [Re: Rtje] #2796465
12/29/18 11:43 AM
12/29/18 11:43 AM
Joined: Dec 2018
Posts: 24
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Rtje Offline OP
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Rtje  Offline OP
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Joined: Dec 2018
Posts: 24
Yes, it was advertised as being tuned and regulated.

Of course the tech will be able to tell me more when its time for the first tuning.


U3 1985
Re: Some questions about things i noticed about my piano [Re: Rtje] #2796515
12/29/18 02:53 PM
12/29/18 02:53 PM
Joined: Feb 2017
Posts: 1,917
New Hampshire
P
P W Grey Offline
1000 Post Club Member
P W Grey  Offline
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Joined: Feb 2017
Posts: 1,917
New Hampshire
VERY soft playing can result in some notes not sounding on an upright, however hammers blocking against the strings is not appropriate under any circumstances and indicates (probably) a lack of attention to detail on the part of the "tech" who sold it to you.
Sounds like very uneven let-off regulation. IOW not well regulated.

OTOH, if a loose let-off rail went un-noticed, that could and I explain some of it...maybe.

Could also be key dip/aftertouch issues. What does the level of the keys look like when you stoop down and get your eye right at key level from one end?

Pwg

Last edited by P W Grey; 12/29/18 02:56 PM.

Peter W. Grey, RPT
New Hampshire Seacoast
www.seacoastpianodoctor.com
pianodoctor57@gmail.com
(Best way to contact me privately)
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Re: Some questions about things i noticed about my piano [Re: P W Grey] #2796571
12/29/18 05:23 PM
12/29/18 05:23 PM
Joined: Dec 2018
Posts: 24
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Rtje Offline OP
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Rtje  Offline OP
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Joined: Dec 2018
Posts: 24
Theres a very slight dip and the middle point of the dip is around an octave above middle C. Its so slight its pretty hard to see actually. I tried taking a picture but i cant see it in the pictures i take. Didnt notice it before either.

I did intentionally play the notes so slow and soft so they dont strike the string just to check how the hammers move. I dont have a problem with notes not sounding when im playing. But of course since im a beginner that has an acoustic for the first time in his life im probably not that good at playing soft yet.


U3 1985
Re: Some questions about things i noticed about my piano [Re: Rtje] #2796614
12/29/18 08:22 PM
12/29/18 08:22 PM
Joined: Feb 2017
Posts: 1,917
New Hampshire
P
P W Grey Offline
1000 Post Club Member
P W Grey  Offline
1000 Post Club Member
P

Joined: Feb 2017
Posts: 1,917
New Hampshire
Try calling the seller and saying something like: "I generally like the piano, but I'm having some trouble with a few keys. If like you to check it out as soon as you're available ". You'll quickly find out how much the warranty is worth.

If I sold a piano and it had problems like this I would fix it pronto.

Pwg


Peter W. Grey, RPT
New Hampshire Seacoast
www.seacoastpianodoctor.com
pianodoctor57@gmail.com
(Best way to contact me privately)
Re: Some questions about things i noticed about my piano [Re: Rtje] #2798480
01/04/19 03:47 PM
01/04/19 03:47 PM
Joined: Jun 2005
Posts: 236
Fitzgerald ,GA
S
Steven Bolstridge Offline
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Steven Bolstridge  Offline
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Joined: Jun 2005
Posts: 236
Fitzgerald ,GA
Check the hammer spring loops. They my need replacing,
.

Last edited by Steven Bolstridge; 01/04/19 03:48 PM.

piano tuner/technician
Re: Some questions about things i noticed about my piano [Re: Rtje] #2798825
01/05/19 05:08 PM
01/05/19 05:08 PM
Joined: Jan 2011
Posts: 1,602
Canberra, ACT, Australia
C
Chris Leslie Offline
1000 Post Club Member
Chris Leslie  Offline
1000 Post Club Member
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Joined: Jan 2011
Posts: 1,602
Canberra, ACT, Australia
It is common for Yamaha pianos from the 80s to have broken hammer spring loops as Steven says. If you press a note softly so it does not sound then the hammer should move forward and then move gently back to the check point. If the loop is broken the hammer will only move forward and rest in contact with the strings. If that happens to random notes across the keyboard then definitely you have broken loops.

You can also check for broken loops by looking inside but that is sometimes difficult if you don't know where to look.

Replacing a set of loops needs an experienced technician who will take you action away. The job takes several hours. The technician may reshape the hammers at the same time.

If the loops are not replaced then you are likely to experience hammer bobbling when playing softly. Many clients however seem to put up with this for many years before getting something done.


Chris Leslie ARPT
Piano technician
http://www.chrisleslie.com.au
Re: Some questions about things i noticed about my piano [Re: Rtje] #2799833
01/08/19 06:23 PM
01/08/19 06:23 PM
Joined: May 2012
Posts: 466
UK
G
Goof Offline
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Goof  Offline
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Joined: May 2012
Posts: 466
UK
Look on "youtube" for a video named "regulation of the upright piano action" it shows every thing you need to know !


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