Alengo, thank you.
It's sounds as good as it looks monstrous.
To get truly 65 Hz the horn needs to be long/big and heavy to resist to its own resonances.
I don't remember exactly, but it definitely over 100 kg.
Recently I've got a pair of coral beta 8, got a plywood for FH and have plenty of MDF for BLH
but it much difficult to find a free time slot for building the second horn.
But i keep hopes
