MDF versus Baltic Birch?


What do you consider the best application for each of these speaker construction materials for both strength and sonic qualities and why?
vonhakemarine
I'm presently at sea working on a ship, but as I recall it's called "Tight Bond". It's light brown in color and water based, very similar to Elmer's cabinet making glue but slightly higher on the food chain - unless someone can talk me into something different.......
I use a professional grade spray on adhesive. Only $250 for a recharge ouch. it also dampens cabinets. But I have used similar to tight bond which is good.