Choice of finishing - burl veneer

[Evergreen]

Thank you for the advice!
I was thinking about the dark color of the finishing. When I built the last speakers I used dark walnut burl, I tried to apply Truoil on some scraps, the burl has become very dark. A friend told me to use Yellow stain to brighten up the pattern, I decided to use clear shellac (I think modified with Yellow). This time I have some very nice red and very clear parts, I would like to keep the color close to the original as much as possible. Do you think I should use the Yel color on only dark surfaces? About Leather dyes, do you think they are better? I have a dark one, it seems the mix is very uniform

If you want to maintain the original color of the veneer or close to it, a good choice for the finish would be Pure Tung Oil from places like Woodcraft or Rockler. You want the "pure" stuff, not what many folks sell as Tung Oil. The pure stuff will make the grain pop and you'll have very little color change. Boiled Linseed Oil also could be used, but it will give you a slightly darker finish. For a top coat, Zinsser Bulls Eye Seal Coat would be a good choice for sealing the veneer. It is a de-waxed blond Shellac that will give a nice shine and minimal color change.