Sharp Back D
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- hpinson
- Posts: 198
- Joined: Thu Apr 19, 2007 12:55 pm
- Location: Albuquerque, New Mexico. USA
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Sharp Back D
I understand the remedy for a sharp back D where other notes are in tune, but not the cause.
Can anyone explain?
Can anyone explain?
-
- Posts: 630
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Re: Sharp Back D
Is it a chanter issue or a reed issue? If a reed issue I'd be thinking along the lines of the reverse of weak back D. Instead of weak pressure sensitivity at the bottom of the blades, the blades may be just too stiff here if back D is playing very sharp and some refinement may be needed to take some of the tension out of it, thus flattening back D - but don't go too far. I reckon that it is a good thing to have a pressure resistant reed and back D a little on the sharp side.
- hpinson
- Posts: 198
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- Location: Albuquerque, New Mexico. USA
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Re: Sharp Back D
I'm confident it is a reed issue, i.e. the chanter has seen its share of reeds that are spot on for back d. You describe it well... pressure resistant back D a little on the sharp side, and I seem to produce more reeds with this condition than not. So if i'm understanding, tension or excessive thickness at or near the bottom of the V or U can affect this. I know that if I take too much off the bottom of the scrape, overall pitch will lower, but I'll try just a little and see if that has an effect.
Anyone else have a take on describing the cause of this condition?
Anyone else have a take on describing the cause of this condition?
- awilde569
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Re: Sharp Back D
Occasionally with some of the reeds I've made they're just overly sensitive on the bag pressure for back d, where too much leaves them playing flat or cutting off (current one I have is this way). Letting up a tiny bit pops it back up (although too little pressure and it winds up gargling). Not sure if it's any help or not.
Never attribute to malice that which can be explained by stupidity
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- Real Name: Torrin Ryan
Re: Sharp Back D
Better to have a sharp back D relative to the rest of the chanter than to have a flat back D.
Re: Sharp Back D
It is a reed issue. The thumb hole can be waxed or taped into tune.
- hpinson
- Posts: 198
- Joined: Thu Apr 19, 2007 12:55 pm
- Location: Albuquerque, New Mexico. USA
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Re: Sharp Back D
Ted, do you have any insight into cause of this condition? I do understand the solution. It seems to crop up in my reeds more than not.
Re: Sharp Back D
I remember Andreas Rogge once said that for this sort of thing, a "young" reed would often be a bit sharp on back D and he liked to leave it (with taping or waxover part of the back D hole) as often with time it would settle down.
So maybe time and a bit of playing before taking any irreversible action on the reed?
Of course, if it is WAY sharp and can't be flattened into tune.......
So maybe time and a bit of playing before taking any irreversible action on the reed?
Of course, if it is WAY sharp and can't be flattened into tune.......
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