High Efficiency Speaker Asylum: Re: Pouring a Tractrix Horn by eso Need speakers that can rock with just one watt? You found da place.

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Posted by eso (M ) on April 17, 2006 at 18:23:38

In Reply to: Re: Pouring a Tractrix Horn posted by John Sheerin on April 17, 2006 at 17:42:31:

When I made my old 280Hz Round Tractrix horns, I just made a plug that was the space inside the horn and then pulled parts of that. I does work that way, but the angle of the throat coupled with the rigidity of the plug makes releasing the parts very difficult.

I'm getting started on a new mould that will begin by making an actual part and then pulling moulds off of that (1 piece for the horn flare and 2 for the outer shell). The laminated moulds have a bit of give and make releasing far easier.

How's things in Indiana (?)

eso

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