[Harp-L] Retuning with Just Intonation

[Dan Hazen <bluesmandan76@xxxxxxxxx>]

I've been working on Rare Earth's "Get Ready" today, and think I'm gonna
use a Low F harp to cover the sax part. But my Big River was leaky and out
of tune. I've adjusted the gaps and got rid of some of the leakiness, but
now I've got to tune it. It seems way off. A lot of the notes are really
sharp. So I'm trying to figure out how to tune it correctly. I found a
couple of websites that grid the notes out...

There seems to be a big difference between Marine Band and MS on 5 and 9.
Why the big difference? The Seydel seems similar to the MS. I've never
really paid attention to all this before, as I've never done a major retune
on a harp... just one note here and there when they get out. What
temperament do you use? I figure I better go with a just intonation of some
variety, though I play more octaves than true chords. I'm playing rock,
blues, and a little bit of jazz. Trying to figure out which way to go...

Original Marine Band Tuning

Hole #   1   2   3  4   5  6   7   8   9 10
Blow     0 -14  +2  0 -14 +2   0 -14  +2  0
Draw    +4  +2 -12 +4 -27 +6 -12  +4 -27 +6

 Current Marine Band Tuning

Hole # 1   2   3  4   5  6   7    8  9 10
Blow   0 -12  +1  0 -12 +1   0 -12  +1  0
Draw  +2  +1 -11 +2 -12 +3 -11  +2 -12 +3

 Tuning for MS Models

Hole #  1   2  3  4   5  6  7   8  9 10
Blow    0 -10 +1  0 -10 +1  0 -10 +1  0
Draw   +2  +1 -9 +2  +3 +3 -9  +2 +3 +3

 and from Seydel:*
H*ole #      1     2     3    4      5    6     7     8    9  10
                 0   -14    2    0   -14   2      0  -14    2   0
                 4     2   -12   4     -2    6   -12    4   -2    6

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