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#2793530 12/20/18 07:00 PM
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Hello, I'm new here. Thank you very much in advance for reading.


I'm a classical music player and, to avoid from overloading our grand piano, I've always used a Clavinova for exercises, studies and/or night time sessions.


This month, following the good reviews and knowing the quality of Yamaha products, I decided to relieve my twelve years old CLP-280PE with a brand new P-515 (the complete bundle) that has been delivered to me perfectly sealed from factory.


The keyboard is beautiful. It's an high quality product from any point of view. A lot more than expected.


But the sound has some issues that I would gently like to share with you.


- Problem 1: sound clipping at transients.

If you play an accentuated note and then you leave it to decay, you can hear that the sound is going to distort in a way similar to an "electric guitar overdrive/feedback". Not as much as an heavy metal guitar (obviously...), but the clipping is very clear and it's present at any volume setting.


- Problem 2: the sound is continually accompanied by a very strong rustling, similar to the waves of the sea. It increases with increasing dynamics.

It's similar to a very noisy "noise gate" when it "opens up". It adds a lot of high frequency distortion and the more you play, the more distortion you have.


These problems are fairly evident with the integrated speakers, but with some high quality headphones (I have used Beyerdynamic DT880 premium), they are very annoying.


On my old CLP-280PE, with the same headphones, these problems are not present at all.


I have already informed the dealer, but I will apreciate very much any opinion from you.


Thank you,
Davide





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I would also inform the dealer that I am returning it if you still can.

I did that very thing.

I could not get past the sound thing and had to return it.

Last edited by dmd; 12/20/18 07:10 PM.

Don

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Hello Don, thank you.

Yes, we are inside the terms for returning and/or for replacing.


But, I like a lot this keyboard... So I would very much like to understand if these problems are issues of the item I have received, or if they are (unfortunately) problems of this model itself.

You see, the sound of this brand new keyboard seems one of a cheap instrument compared to my old CLP280... (comparing them with the same headphones and in the same conditions)

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P.s.

I don't hear these problems on all of the professional demos and videos on internet about P-515.

For example: https://www.pianoo.de/test/yamaha-p-515-portable-piano/

No distortion and no rustling at all...

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Well, I can only express my opinion based on my experiences.

I had a Kawai ES8 that I had owned for over 2 years and just loved it in every way.

I decided that it needed some work so I made the decision to sell it and try something else.

The Yamaha P515 was just coming out.

I went to the local music store and tried the Roland FP90 and did not like it.

I tried the Yamaha P515 and bought it on the spot.

Took it home and played it for a week and could not accept the sound.


Don

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Originally Posted by Davide82
P.s.

I don't hear these problems on all of the professional demos and videos on internet about P-515.

For example: https://www.pianoo.de/test/yamaha-p-515-portable-piano/

No distortion and no rustling at all...


Well, as you now know ….. you cannot base any decision on those demos.

First hand knowledge is the only thing you can rely on.


I would absolutely not hang on to that machine past the return date until you have absolutely resolved your issues.


Don

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If there are any "effects" -- reverb, any kind of "spatial processing", chorus, "dynamic volume expansion", etc -- turned on:

. . . turn them all _off_.

See if the problem persists.

I'd normally say "Do a factory reset" -- but it's possible that the "factory" default is to have some effects turned on.

You sound like you know clean sound when you hear it; trust your ears.


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Hello Davide, welcome to the forum.

It's likely that the P-515 has a considerably improved sound engine compared to your previous CLP-280, with additional resonances and effects intended to reproduce the sound of an acoustic instrument.

As Charles notes, it should be possible to reduce or turn off these additional effects in order to isolate which sound(s) you find to be unpleasant.

Personally, I would stick with the default settings for a little while, though, as these are often the most suitable and realistic. It could simply be that your ears require a little time to adjust to the new sound.

Best of luck!

Kind regards,
James
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Hello, thank you very much indeed for your kind words!


First of all, I would (very gently) like to underline that I'm an (heavily) trained player.
I can easily tell the difference between a sound effect, instrument limitations and a sound defect.


I have turned on the keyboard for the first time yesterday and used with factory default settings only. (If we add some audio eq from the on board controls, it get worse)


Those noises made me think immediately that the keyboard was broken... my old Clavinova not only has no noises at all, but it sounds a lot better.

I have turned off everything now and noises are still there.


I'm very concerned about it...


This keyboard is the top of the line, it's new, but even with headphones, a 12 years old Clavinova is a lot better.

I dare not imagine how it would be if used on a big stage during a concert...


I can only guess that something is wrong somewhere... It's just impossible...





Last edited by Davide82; 12/21/18 07:02 AM.
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P.s.


It's hard to me to think that Yamaha makes an instrument of such high quality manufacture, accepting such high frequency distortions and noises.


I would be very surprised.


Every note is stressed and accentuated by a distortion just like if a broken tweeter is reproducing the sound.

The more you play, the more distortion you get on the note.


Last edited by Davide82; 12/21/18 07:24 AM.
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Can you record those on a USB and upload it somewhere? Maybe you just got a defective unit.


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Thank you Gene.

I have tried to record some notes, but after moving the files on my personal computer, the sound is too much different from original (and even worse).


I have done some tests and it seems to me that the noise could be related in a some way with the sound amplification:

when I try to brighten the sound, to increase the volume or the dynamics, the sound starts to "hiss" and distort at high frequencies more and more.



Without this continuous rustling, the piano sound would be just beautiful.




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I have a Yamaha with the same sound engine as the P515. I love the sound of it. I might also even dare to suggest that I've owned more digital pianos than most people out there and I hear no issues or problems with the piano sounds at all.

I can therefore only conclude that the OP's piano must be faulty. I would also suggest that the OP, if it is possible, visits a Yamaha dealer and plays another P515 or a CLP 635 or 645 or 675...all feature the same basic sounds.

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Originally Posted by EssBrace
I have a Yamaha with the same sound engine as the P515. I love the sound of it. I might also even dare to suggest that I've owned more digital pianos than most people out there and I hear no issues or problems with the piano sounds at all.

I can therefore only conclude that the OP's piano must be faulty. I would also suggest that the OP, if it is possible, visits a Yamaha dealer and plays another P515 or a CLP 635 or 645 or 675...all feature the same basic sounds.

I totally agree. I have played all clp series and tried all of Kawai CA and es8 series , Roland, and bought p515
This is by far the best digital piano I ‘ve played in the portable slab piano category with speakers. It’s essentially a improved cp4 but with just cfx and Bosendorfer , and adds speakers, escapement .

Last edited by Jitin; 12/21/18 08:28 AM.

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Thank you!


Done a factory restore, but it's just the same.


Using Beyerdynamic headphones (in perfect shape), it sounds like a solid state amplifier when it goes overdriven:


if I play a note very softly and gently, it's allright.

But, if I play just a little bit louder, the sound get distorted.


It happens at any volume setting.



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I bought the P-515 and it was shipped to me on November 21. I’m not classically trained but as I reported in thread I opened to describe my impressions on the keyboard, I don’t like the piano sounds. All the other ones, especially the organ are great but I think Yamaha didn’t do a good job with the piano samples. I also connected my iPad and a laptop to it using VSTs and the difference is night and day. So for now I use the Mobile version of the American D from Synthogy as my main voice. It’s a bit annoying that I spent so much and can’t use the internal CFX sound but I just don’t like it. The impression I get is that it’s too loud, boomy even, especially in the lower section and it’s muddy, not clear.

Last edited by lorez; 12/21/18 08:31 AM.
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Thank you Lorez.


With some reverb and settings and with a good audiophile headphones,

I found the new CFX sound to be just fantastic for classical music studies.


My problem is the distortion and "hiss" within the sound.





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Originally Posted by Davide82
Hello, I'm new here. Thank you very much in advance for reading.


I'm a classical music player and, to avoid from overloading our grand piano, I've always used a Clavinova for exercises, studies and/or night time sessions.


This month, following the good reviews and knowing the quality of Yamaha products, I decided to relieve my twelve years old CLP-280PE with a brand new P-515 (the complete bundle) that has been delivered to me perfectly sealed from factory.


The keyboard is beautiful. It's an high quality product from any point of view. A lot more than expected.


But the sound has some issues that I would gently like to share with you.



Thank you,
Davide



Davide,

Would you be able to record the sound and post it on YouTube so we can tell give opinion as to whether the artifacts you're hearing are normal?

Kind regards,

Doug.


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Thank you Doug!

"Artifacts" is the right word.


I have tried to record with USB on my pc, but the sound is even worse and doesn't match the listened sound.

I'm going to visit a dealer in the afternoon to make a comparison with my headphones.

(I have bought the keyboard directly from the importer with internet)


Best regards and thank you,
Davide



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Hello Davide,
I am the happy owner of a P515, and I don't have the problems you seem to be having. I don't hear any hisses, with or without headphones, nor any distortion. I am not a professional like you seem to be, though.
From your description I'd say your piano is somehow broken and that you should be given a new one.
I have the impression that the sound is somewhat uneven, but that's another matter.

Last edited by mydp; 12/21/18 01:43 PM.

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