[pianotech] ETDs yep the thread continues

[Mr. Mac's]

On Jan 29, 2011, at 7:24 PM, Marshall Gisondi wrote:

> … So I was wondering how do the ETDs out there hanle false beats, and how do they handle the harmonics in the bass section. …

Marshall,

False beats, ugh, are a nuisance.
The following are very general comments
   and what I have discovered for myself and are not meant as gospel:

Sometimes RCT handles these rascals all by itself.
Sometimes, hearing does the job.
Most times, I go back and forth trying to get the best blend,
   until I say, "That's it. You get no more time from me."

Many times, relocating the ETD becomes a necessary activity
   to get the best possible signal,
   just as much as relocating your head with ears attached
   takes place to hear the best beating activity.
No way out of that.

Now speaking to the treble area only:
There are times when more notes with false beats exist than not.
    (I have found small Lester pianos are notorious.)
So I detune the ones that tune relatively pure,
  so they will blend in with the notes that refuse
  to even remotely tune in relatively pure.

As to the harmonics in the bass, I'm not certain what you're asking,
   so I'll say this much.
The longer the string, ETD is from very nice to excellent.
The shorter the string, still darn nice.
Tuning a bi-chord with an ETD is not a good idea.

Sincerely,

Keith McGavern, RPT
pianostuff.kamcam.com