WoozleEffect
7 posts
Oct 06, 2016
5:07 PM
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Looking for help figuring out how to acurate tune the upper 4 holes in PowerDraw tuning to within a few cents using a compromised tuning.
I've found lots of help for the richter tuned holes 1-6. I'm just trying to sort out the theory behind holes 7-10.
Cheers, and thanks!
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Rob Laferrière
Russell, MB, Canada
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Gnarly
1946 posts
Oct 06, 2016
9:04 PM
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Seems to be:
Blow — C E G C E G A C E A
Draw — D G B D F A B D G C
So if you like the tuning on the bottom holes, just tune the top ones to the same intonation.
I might as well confess that most of the time I use my ear to tune harmonicas--for just and compromise, anyway.
If it sounds good, it is good.
Last Edited by Gnarly on Oct 06, 2016 9:06 PM
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WoozleEffect
8 posts
Oct 06, 2016
9:31 PM
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Upon hearing someone else say it... it seems so obvious. Same intonation on top as on the bottom for the respective notes.
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Rob Laferrière
Russell, MB, Canada
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Gnarly
1947 posts
Oct 06, 2016
9:44 PM
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Yeah, that should do it!
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arzajac
1788 posts
Oct 07, 2016
4:16 AM
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Just off the top of my head... Picking apart the available chords:
EDIT - When I say "just tuned" here I mean tuning that note sharp or flat so that it is harmony with other notes. Sorry for the confusion.
BLOW:
C E G C E G - - - -
All major triads - can be tuned just.
- - - C E G A - - -
Major sixth - Off the top of my head, the major sixth won't sound too dissonant if it's not JUST tuned so if it serves another purpose, tune it for that purpose (a good place to compromise)
- - - - - - A C E A
Major chord - a different one. And you have already tuned the C and E on the plate. Tune the A in relation to one (or both) of them - pick the fifth (the E - which is the third of the other chord so the A may end up almost as flat as it - are you okay with that? Try it out.)
Add the 6 blow (G) to the chord and it is a Major Seventh, but it doesn't have to be Just to make the chord sound okay.
Whatever you do, ensure all octaves and fifths are smooth intervals when you play them together.
DRAW:
D G B D - - - - - -
Major triad. You can tune this just but keep the G the same pitch as the G on the blow plate (3B)
- - - D F A B - - -
The F and B here are minor third and major sixth and both can be off from Just and the chord will still sound okay. The D and the B are fifths, so if you can tune that interval just, it would be nice.
- - - - F A B D - -
Same chord.
- - - - - - B D G C
These are all separated by a fourth (same as a fifth, just in the other direction). Tune them Just, relative to its neighbour and they will sound pretty as double-stops.
Whatever you do, ensure all octaves and fifths are smooth intervals when you play them together.
I hope that helps. It may not be 100 per cent accurate but it gives you an idea of how I would work it through to find the opportunities to compromise.
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Custom overblow harps. Harmonica Combs and Tools.
Last Edited by arzajac on Oct 07, 2016 8:51 AM
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arzajac
1789 posts
Oct 07, 2016
7:24 AM
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One last thing. When you are considering compromising individual notes to make strong sounding chords you need to ask yourself if you will even use those chords (and intervals).
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Custom overblow harps. Harmonica Combs and Tools.
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WoozleEffect
9 posts
Oct 10, 2016
10:10 PM
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This is exactly what I was looking for.
The last bit of advise especially: "When you are considering compromising individual notes to make strong sounding chords you need to ask yourself if you will even use those chords (and intervals)."
Thanks Andrew!
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Rob Laferrière
Russell, MB, Canada
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WoozleEffect
11 posts
Nov 07, 2016
10:14 AM
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I got an early Christmas gift last week: a full set of Andrew Zajac's tools!
I managed to retune a couple of my backup Richter tuned harps to match my PowerDraw harps, including swapping the blow/draw reeds for holes 9+10. I've got a lot to learn, but there seems to be a wealth of knowledge out there, in these forums and on the YouTubes.
Wish me luck!
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Rob Laferrière
Russell, MB, Canada
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Gnarly
1983 posts
Nov 07, 2016
6:52 PM
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Good for you!
You don't need luck, just time and patience.
Oh, and ears!
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