Any news?

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Re: Any news?

Post by IaNerd » Tue Sep 18, 2018 8:16 am

Brendan: Does your math account for the use of enharmonic notes in a layout?

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Re: Any news?

Post by Brendan » Wed Sep 19, 2018 5:22 am

Yes. It's based on 12 chromatic notes per octave over 4 octaves (the range from hole 1 of a G harp to hole 10 of an F# harp). Actually it should be 48 reeds to cover all the notes, not 47.

This is the stock of reeds a company would need to keep. They could be blow or draw reeds depending on orientation, and be combined in any tuning.

The comb design would determine which reeds will fit in which chambers. A conventional comb with diminishing length chambers would impart some restrictions on which range of reeds will fit each chamber, but one with universal size long chambers could have all low notes - to make a chord harmonica, for example. And the combs could be long, short, any size you want. Of course you need coverplates to fit, but that's a separate issue.

To answer your question about enharmonics: Whether one harp has ten C notes or not is irrelevant. As long as the reed stock is available you can mix and match them as you please :-)

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