Self Medicating > General DIY

Infinity Kappa 8 speaker rebuild with DSP crossover

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HAL:
A friend found a pair of Infinity Kappa 8 speakers that need the Polydome K's and 12in woofers rebuilt.  Picked them up awhile ago. Not going to complain for $80/pair. :)

These are the original version 4-way speaker with the bipole EMIT planar tweeters, Polydome K, Polygraph K dome and 12in woofer.

Found out that Miller Sound in PA does the rebuilds, so hope to be dropping them off this weekend.

Will post pictures of the process along the way of replacing the passive crossover with the DSP crossover from measurements.

Nick B:
Sounds quite interesting, Rich. Millersound is still around, huh. Have heard their name for years, but haven't had need to use them yet.
Nick

malloy:
I've only seen these in magazines and on display. Always wondered what they sounded like.

These the ones?



Late 80s early 90s?

Paul

HAL:
Yes. They were built from '87-'89 from what I can find.

The Polydome K midrange dome and 12in woofer foam surrounds are being replaced due to age deterioration.  The new replacement parts should last a lot longer.

This just happened to be something a friend that worked at a retirement community spotted in their donation closet.  For $80/pair, might as well see what happens.

Nick B:

--- Quote from: HAL on May 22, 2024, 04:16:16 AM ---Yes. They were built from '85-'89 from what I can find.

The Polydome K midrange dome and 12in woofer foam surrounds are being replaced due to age deterioration.  The new replacement parts should last a lot longer.

This just happened to be something a friend that worked at a retirement community spotted in their donation closet.  For $80/pair, might as well see what happens.

--- End quote ---

For $80, indeed 👍

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