Important details: Base Centering
Have you every tried to give a reed a little more snap but nothing seemed to work? It plays "fine" (adequately) but everything you do to improve tone and response has no effect?
"What am I doing wrong?" you ask yourself.
If your harp is airtight and the reed has a decent shape, you should see results. If that's not the case, you have fallen victim to a subtle defect.
There are a few subtle defects that can cause you grief. The best way to deal with them is to learn how to spot them and correct them before they can affect your work.
Base centering is one of these subtle defects. The worst thing about this one is that the reed shows no clue there is anything wrong until you try to work on it: It plays adequately out of the box.
Once you master this technique, you can center the base of a reed in about 90 seconds.
Difficulty level: Advanced. Practice on an entire reed plate of a proper (scrap) harp. Shift the base of every reed in different directions to learn how to control where the base ends up when you are done.