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Multi-Way Conventional loudspeakers with crossovers

Thiel CS2.4 xover schematics
Thiel CS2.4 xover schematics
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Old 17th January 2019, 07:18 PM   #1
andy2 is offline andy2  United States
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Default Thiel CS2.4 xover schematics

I am not sure if this is the right place to post so it's up to the moderator.

This schematic is based on the following link. Since the picture has been posted, so I don't think there will be any IP infringement.
https://www1.picturepush.com/photo/a...4-SE-final.png

Since the Thiel CS2.4 uses proprietary drivers so cloning is probably not possible so this is more or less a FYI only.

There are commercial coaxial drivers so it's possible you could use this as a guideline to design a time-phase coherent speakers.
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File Type: png thielcs24.png (22.9 KB, 376 views)
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Old 1st February 2019, 03:57 PM   #2
holco is offline holco  Netherlands
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Hi andy2,

Good idea to start this treat, now we have a place to share our pictures
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Old 1st February 2019, 04:05 PM   #3
holco is offline holco  Netherlands
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Some pictures of the crossover modifications on my beloved CS2.4 loudspeakers.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Original crossovers,
Click the image to open in full size.

Upgraded crossovers (still waiting for the Jantzen 0.720mH Wax coils)
Click the image to open in full size.
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Old 1st February 2019, 09:03 PM   #4
wolf_teeth is offline wolf_teeth  United States
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FWIW, the 2.4SE used ClarityCap Polystyrene capacitors.
I really liked how those sounded.

Later,
Wolf
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Old 1st February 2019, 11:44 PM   #5
andy2 is offline andy2  United States
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Hi holco,

How do you like the sound now that all the components have been broken in?

As for the bass inductor, I am not sure changing it will improve the sound unless there is something wrong with the original one. In my experience, wire inductor has a different sound vs. foil type inductor but I don't think it's better or worse. The speakers have been voiced with the wire inductor so if you change to a foil type inductor, it may alter the overall sound but may not for the better.
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Old 2nd February 2019, 06:48 AM   #6
holco is offline holco  Netherlands
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Hi andy2,

There are still questions about the Wax coils values, my LCR meter indicates that they are too high in value, they are sent to Jantzen and according to them they are within the specs, next week I get them back and I can also tell more.

For the time being they have not been in the crossovers yet.
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Old 2nd February 2019, 07:29 AM   #7
holco is offline holco  Netherlands
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Regarding the entire upgrade, it gives a significant improvement in SQ!! the key points that I hear are even more air than before with only the Jantzen caps, now it is as if the space embraces you and takes you to the room where the music actually plays out, also the width of the spatial image is now more outside the speakers and also more forward , the naturalness is also very impressive !!

All in all, I was already very happy with the CS2.4 but after the upgrades I now have speakers that I never thought I could own
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Old 2nd February 2019, 07:34 AM   #8
holco is offline holco  Netherlands
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More pictures of the upgrade,

Thiel CS 2.4 Photo album by Holco
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Old 2nd February 2019, 01:46 PM   #9
andy2 is offline andy2  United States
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Quote:
Originally Posted by holco View Post
Regarding the entire upgrade, it gives a significant improvement in SQ!! the key points that I hear are even more air than before with only the Jantzen caps, now it is as if the space embraces you and takes you to the room where the music actually plays out, also the width of the spatial image is now more outside the speakers and also more forward , the naturalness is also very impressive !!

All in all, I was already very happy with the CS2.4 but after the upgrades I now have speakers that I never thought I could own
I am glad to hear that. I hope to upgrade mine very soon. I am still trying to determine the best caps for the money.
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Old 4th February 2019, 06:14 AM   #10
holco is offline holco  Netherlands
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Between which capacitors are you doubting?

Quote:
Originally Posted by andy2 View Post
I am glad to hear that. I hope to upgrade mine very soon. I am still trying to determine the best caps for the money.
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