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Original Message
RE: Round 80hz exponential horn usage 100 hz to 500 hz
Posted by Don Bunce on February 5, 2017 at 10:00:01:
Mahogany is the traditional wood used by patternmakers due to it's stability.
The Sierra-Brooks horns were mahogany. The Edgar Salad Bowls are Poplar.
Many horns have been made of rings of Baltic Birch plywood or MDF.
I used MDF for mine. Can't say if there is any difference in sound, as I don't have a way to compare differences without building more horns.