Volleyguy:Funny you should mention birch,as this is the material I made my rack shelves out of.
You might look at the Jantzen crosscoil inductors.They use a ribbon.I really liked them in a crossover re-build that I under took.
You might look at the Jantzen crosscoil inductors.They use a ribbon.I really liked them in a crossover re-build that I under took.