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Piano Regulating - Adjusting Let-off On a Grand Piano I HOWARD PIANO INDUSTRIES
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- Опубліковано 19 сер 2024
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Thank you so much me and my Yamaha luv this channel I have learned so much and now I was able to once again make the right adjustment thanks to you. I hope soon to start work on an old upright I have and I will be using your store for parts and tools as I need them.
Very clear thanks
Well done instructional video, clearly presented. The demonstration using the model was quite helpful. Thanks.
Excellent video. Thanks for sharing.
Glad you enjoyed it
I have a Young Change that can't seem to get any letoff on some keys an tips much appreciated!
If this is a Young Chang grand piano it may have what it referred to as "expanding action brackets" this can cause the action to be impossible to regulate properly unless the defective action brackets are repalced.
Your videos are absolutely wonderful but could you please have a look at your procedure around your audio in your recordings. In this particular video, your audio is so low level that I have to have the volume at my end set full blast. Now this in itself is no big deal but what happens for instance is UA-cam will sometimes place an advertisement during the video (and they do), then on comes an ear blasting as the advertisement is recorded at correct level. It just absolutely hammers the listeners ear drum. Apart from this your videos are the best. Good video, clear presentation, good wording, just extremely low level audio. Thank you for your presentations.
Your explanations are great.
Thank you
You sound like saul goodman
True!😮😅...So, If your piano is out tune..better call Saul!
Thanks for the video
thanks for this video...compliment!
I really would like to work and live in Your country...
Information for amatures. Would be better to explain the position of the jack under the knuckle and the distance under the repetition lever.
Thanks for a great explanation. Do you know if the Adsilent let-off expansion system has any effect on future ability to regulate the instrument, or any potential downsides to having the system installed on a grand piano?
Some of the pre-1920s Bluthners had their own specific action different from the roller action which I don't think had letoff buttons or I can't see em.
Yes, there are definitely some pianos out there with non standard actions so making some of the regulation adjustments will be a little different on those pianos.
My Baldwin grand doesn’t have that cylindrical button that you adjusted/rotated in this video, but my key’s let off isn’t right. Is there a way to adjust the let off without that button? Thanks!
There still should be a way to adjust when the toe of the jack is activated to release the jack. There might be a variation on your action that is different than the standard.
so..you would would do this process after you've done before to create that concert standard?? thank you I'm a big fan!! you will help me in my dream career!!!!
Hi Matias,
Adjusting the letoff is one step in the regulation process to get the action to the optimal playing condition. It is used in conjunction with other steps. We will in the future be offering more videos on grand piano regulation as time allows. Thanks for watching! I'm grateful that our videos are helpful to you.
Your explanations are cryptic as hell.
I disagree. I understood everything perfectly well in the video.
@@notafanboy250 You're right, I wasn't receptive to his clear descriptions for some reason on that particular day. I rescind.
Hey may I know that how could I set the string height when doing this practically?
I mean when doing this placing the action on a table? What is the actual string position height from the bottom
It varies slightly from one piano to another so if you were doing it on a table you would have to measure the distance from the keybed to the strings. The height in the bass section will be different than in the tenor and treble sections. We sell a tool for measuring this. We also have a regulating tool that can be used to simulate the string height when the action is out of the piano: www.howardpianoindustries.com/tautline-regulating-tool/
@@howardpianoind Thank you very much, I will place an order.
let of is the same as escapement?
Yes.
May I know why the back check is needed for the system? After the hammer clicked the string, the hammer should be dropped and stopped as the knuckle would hit the repetitive lever, so why the back check is used to stop and catch the hammer?
The repetition lever would not hold the hammer up. The shank is pushed up by the jack, but once the jack trips out, the hammer falls back until it is caught by the back check.
but when the jack trips out, the hammer falls and the knuckle hits the window of the repetitive lever. Then shouldn't this stop the falling motion of the hammer? Or it may bounce back and hit the string again if the back check is not installed?
The repetition lever will move up and down so the weight of the shank will bounce on the rep lever and possibly bounce back up since the rep lever has a spring on it.
Thanks for your explanation!
Hello, Sir. Does new pianos need to be regulated?
Yes, new pianos typically need to have regulation done for optimal performance.
Steve, how hard (or soft) is one supposed to press the keys when regulating letoff? I'm using a letoff rack set to where letoff should occur (3/32" below string height for this model piano). I just don't have a good feel for how firmly I should be pressing each key. I know they should all be uniform in pressure. Thanks!
You want to press the key very slowly. Not at all like you would press if you were playing the piano. Because you want to press it in a way that the knuckle doesn't lose contact with the repetition lever.
Thanks!
How does the letoff affect sound and control ?
If the let off is too far away then the hammer has farther to travel on it’s own.
@@howardpianoind That's right, by definition ! Do you know anything about sound and control in relation to letoff ?
Howard, in my piano one of the Key doesnt touch the string. Infact the hammer barelys comes up from its rested position. What I noticed is that when I Open the keyboard, PUSH UP the bottom tip of jack with my finger and then press the key, it plays the key for one time. As soon as I release the key it again stops working. Also when looking at the jack from the front of the keyboard, It feels like this key has a jack which is slightly lowered compared to all its adjacent keys. What should I do. Thanks for your help.
It sounds like most likely the problem is that the pinning on the jack is too tight and is making it so the jack isn't fully returning under the knuckle. You will have to either add some Protek CLP to the jack pin or you may have to ream and rep in the jack.
Thanks for you reply, I will get the CLP and try that out first.
Before you rush to repin the jack, try to lubricate it with protek cpc lube first. Some occidation occurs during a period of time and protec helps to eliminate this occidation.
My Yamaha G2B Disklavier has an issue whereby you only press the key down about halfway and you start to hear the twang of the hammer hitting the string very quietly. Obviously I need to get the whole action regulated anyhow but could that be letoff adjustment? Cheers
Hi Sam,
Yes, it could be a letoff problem. So is the hammer blocking against the string before the hammer lets off?
No basically what happens is if you press down just a little like a third of the way you can faintly hear the twang of the hammer hitting the string or rubbing against it, but the notes all play fine the hammers don't get in the road but it's obviously not regulated right cause it's not meant to do that.
I'll try and make a video showing you what I'm on about it will probably make more sense on video if I demo it for you Steve.
Thanks Sam, yes a video would be helpful so I can see what's happening.
This adjustment is most of the time not enough, there are 2 or 3 other ones that could be equally important
Yes, that is correct. This is just one adjustment in a series of adjustments that need to be made as part of a grand piano regulation.
Helpful but blah blah blah blah blah..JEEZ! Get to it..
Well done instructional video, clearly presented. The demonstration using the model was quite helpful. Thanks.