Impedance problem

[Delwin D Fandrich]

| -----Original Message-----
| From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On
| Behalf Of Ron Nossaman
| Sent: January 24, 2005 4:45 AM
| To: Pianotech
| Subject: RE: Impedance problem
|
|
|
| >I suspect there is a strong resonance just at that frequency. I'm not
| >found that
| >they can all be eliminated. My practice of aligning the ribs in a radial, or
| >fan, pattern seems to help but does not completely solve the problem. So does
| >using more, but smaller, ribs for some unexplained reason.
| >
| >Del
|
| Hi Del,
| I suspect the shorter ribs resulting from the cutoff and fish help too.
| Whatever the elusive details, it's a real luxury to be able to get past
| some of the existing problems with a different design approach. We who have
| benefited appreciate you sharing so many expensive lessons with us.
|
| Ron N
| _______________________________________________

Yes, they probably do and yes, it is.
And thank you. (I've learned more than a tad from you as well.)

Del