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Chromabender x-reed setup question (PC tuning)

Posted: Mon Sep 18, 2017 1:52 pm
by Sachlaw
I just recently setup a C chromabender to PC CEbGBb/DFAC.
For the x-reed, I tuned holes 1 to 3 down to a point where I can get a full step out of the bend.
I am a bit confused the 4th x reed. I am assuming it's is for the draw interaction. I dropped it a bit also; however on 4 blow, (depending how I hit the note) it will sometimes resonate another note that I think is coming from the x-reed tone range. It does not appear to happen further up the harp, but I have yet to tune the next two octaves.

Are there any special considerations I should take when setting up a chromabender for PC tuning such as this? Perhaps I missed something that is causing the issue. Also, would there be any issues I need to look out for with tuning the higher octaves?

Re: Chromabender x-reed setup question (PC tuning)

Posted: Thu Sep 21, 2017 5:43 am
by Brendan
The ChromaBender reedplates are designed for Solo tuning. To adapt for PowerChromatic you need to reverse the reed direction of the X-Reed in holes 4/8/12 to match the other X-Reeds. Remove the reed and reinsert on the other side of the reedplate, then retune to the desired pitch.