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Re: Estonia L225 loses tune very quickly
M_albert #3038093 10/21/20 04:12 PM
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I've found a couple places to order a cloth cover for the piano, and am going to get a full floor-length one, and we will start leaving it covered when not in use and see what difference it makes.


Estonia L225 in April '14...
Re: Estonia L225 loses tune very quickly
M_albert #3038113 10/21/20 06:09 PM
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Originally Posted by M_albert
I've found a couple places to order a cloth cover for the piano, and am going to get a full floor-length one, and we will start leaving it covered when not in use and see what difference it makes.

Mine is a very heavy vinyl lined with felt. I'm not sure just a cloth cover would do much for you other than keep the dust off. Steve

Last edited by Lakeviewsteve; 10/21/20 06:11 PM.

Bösendorfer 170
Re: Estonia L225 loses tune very quickly
M_albert #3038167 10/22/20 12:57 AM
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I have pianos under each type. The vinyl and felt are definitely better for these purposes. Cloth ones are just dust covers.


Currently working towards "Twinkle twinkle little star"
Re: Estonia L225 loses tune very quickly
terminaldegree #3038647 10/23/20 01:25 PM
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Originally Posted by terminaldegree
Originally Posted by Learux
That is some serious dry air. I don't think that a Damp Chaser system can counter that.

Yes, it can. I worked for 8 years in a building where the RH stayed at 23% for 4 months of the year. With the undercover installed, and keeping the pianos closed at the end of each workday, it definitely made a difference in an extreme environment. I think I was watering the pianos about every 12-14 days, and changing pads every 6 months. My colleague who kept his pianos open all the time and didn't really pay attention to the system watering or maintenance had pianos that sounded in much rougher shape.

I know these systems are not recommended by everyone for every situation, but there's some data out there by Roger Jolly that should show what the system performance does (with and without undercover) in extremely dry winter conditions in Canada, for what it's worth.

+1

Re: Estonia L225 loses tune very quickly
Lakeviewsteve #3038862 10/24/20 09:54 AM
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Originally Posted by Lakeviewsteve
Some people like damp chasers. I've asked Bösendorfer about that and they've insisted I NEVER install one. I use a humidifier in the winter and a de-humidifier in the summer and never have an issue with tuning. I monitor the humidity using a humidistat that is $10 on Amazon.
I don't like to work on pianos that have those things installed. I would get a few data loggers and monitor what is going on with that system. Pianos don't need a specific RH%. They just need consistency in humidity and temperature. 10 degrees and 15% should be fine (normal).

If the piano is open all the time, then you have something different going on under the soundboard and above it. It takes extra time, but it is pretty normal to close the lid and cover the piano when not in use. It is better for the piano. And, it would make a difference in how the damp chaser works. A few data loggers would be a good idea. Knowledge is power.


piano tuner
Re: Estonia L225 loses tune very quickly
M_albert #3039255 10/25/20 02:42 PM
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Yes, a top cover and and undercover, as well as placing the piano where it is not subject to drafts would be ideal. However, just closing the lid and dispensing with the top cover would be very good, also.

Re: Estonia L225 loses tune very quickly
M_albert #3039281 10/25/20 05:23 PM
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You have gotten some good advice above. A newly replaced string will take 2 years to settle down.

What has your tuner said about the stability problem?


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