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Thiel's need crossover surgery - info needed

Posted by theaudiohiffle (A) on December 26, 2016 at 18:12:55

I have a five channel audio system comprising two Thiel 2.2's as front L&R, with three Thiel 3.5's filling in the center, and rears. Each of course with an equalizer channel.

Recently thanks to Christmas choral music I became aware of how much midrange distortion the center 3.5 was exhibiting, with or without equalizer. I rotated in the rears and found the same thing. So I have isolated the distortion to the speakers, and to the mid-range drivers. I am pretty sure that the first-order crossover capacitors are gone.

So, some questions.

* Has someone here had a similar problem with these Thiels. If so did you do the repairs yourself. Is the crossover mounting board easily accessible, or better yet, removable through a speaker opening?

* Does anybody know of somebody offering a crossover repair service in the Northeast US that they could recommend.

* Would anybody by chance have a schematic of the internal crossover(s)that would show parts values?

Any assistance you can give will be appreciated.
Harry

Edits: 12/26/16

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