ziozeus

I can confirm C4 and B4 and maybe Bb4 are the resonant notes for these. Anyhow the problem is solved easily by detaching the front covers and putting them back. It is likely that slightly detatching them from the body is enought to stop the buzz. You need good nails, patience and force in your fingers. The buzz is coming from the covers vibrating in contact with the body.

Dave I find myself totally in line with your toughts about the P-515 and the weak spots you found there in the sound. Fortunately I caught the glitch when I tryed the instrument at a shop near home and decided to move from my cp4 to a kawai mp7se, skipping also the cp88 (I was really ungry with yamaha for they had removed the velocity fine tune options from that board). Given that and my old experience with the cp5 (there were annoying weak Eb6 and E6 in the main CF3 piano sound there), I was really impressed with the kawai possibility to change volume AND voicing (AND tuning...) PER NOTE in their piano sounds. Really humble approach from that company I would say. If your P-515 had such a function you'd probably be able to solve the issue it has for you. Also I remember that, were it possible, I would have raisen a notch the upper registry volume in the CP4 beautiful cfx sound to a better balance in my opinion (I'm also playing jazz so I know how much important it is for us to have a single note line singing out (a magic an average real piano always does one way or the other) Time has passed and I migrated to the nord grand and am living with nord's uneven sounds these days. But now the cp88 has been updated with the touch sensitivity option, I'm giving myself a treat with a cp88 I found on a good sale and which is arriving this week. They are so different in sound approach (and action) that I couldn't resist to have the luxury to litterally change world when I feel the desire I will let you know my experience (will have some trio gigs this month playing some Bill Evans)

It's incredible. They lost me as a customer for this and then they are now adding it after 2 years. What a design flaw, and what a mea culpa going back on their way now. I guess they lost Mr. Dave Ferris on this (or they missed each other) based on what he wrote about why he did't find connection with the action/sound. Well, better late than never, so very apreciated indeed. I may consider to buy it now, maybe secon hand, to have an alternative to all those out of tune and uneven voiced nord pianos (I'm on a Grand now and growing sick with all that.. Uhmmm.. Sound character as they call it)

My sentiments exactly. I searched for these in the owner's manuals on the new models, couldn't find them. I don't know why they would be part of or limited to SCM. Seems like they're an essential element of how the keyboard translates player input into MIDI output values. My sentiment also. Piano sounds will always have flaws. I have a CP4 and I well know that: -Eq: CFX miss med freq (not the sample itself, but the 01 default sound choice from yamaha) -Velocity curve: CF has a too wide curve -Volume spectrum across the 88 notes: CFX miss some power in higher notes, S6 is nearly non audible in octave 4 to 5 (agree?) these have to be tweaked, and you can in the CP4 (I would love options for volume spectrum though). I doubt yamaha will nail them all in every AP sound. I already see myself not using some of the piano in the CP88 beacause of some gamebreaker, hand tied. We needed more knobs on that piano section (or some deep editing page, even on a pc external software module!)