anyone actually used audiopipe txx-bf15?

[ktraughb 10+ year member]

i sell audiopipe, but have yet to use any of these. i know they have a pretty low fs, a pretty good size motor with a 4 inch coil, and an rms of 1000...but does anyone know what type of spider/spiders they have? i cant imagine a 4 inch coil with that likely heavy cone and 1k+rms only has one spider. has anyone taken one apart to find out? no other info is found on audiopipes website. thanks in advance, just been curious. i searched and couldnt find much on this topic.

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