1991: First contact with Dr. Bruce Edgar's articles

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1991: First Tractrix Horn, built for the Audax midrange

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1992: First major modifcations. From now:

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Panorama

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Soon it became clear to me, that there is so much more potential in a system entirely equipped with horn loudspeakers. I decided to go on.
The small LaScala's were the next items to be replaced:

The Tractrix Midbass

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Later with a new rack:

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But soon, new incidents influenced my tinkerings.

Fostex D582 compression drivers

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150Hz Tractrix Midbass

I was very pleased with the results since it was a big inprovement compared to the previos setup. These pictures were taken before the remodeling of our living room. You can find the plans for these horns in the download section.

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To be continued...