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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 4th February 2019, 03:05 PM   #11
holco is offline holco  Netherlands
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Upgraded the internal wirering with Supra Ply 3.4/s cable's and also grounded the coax crossover backside, coax and woofer frames, crossovers are placed on the side wall's to gain more distance between them and shorter wirering, low mid and high details are improved and got more air overall, bass is clearly tighter

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Last edited by holco; 4th February 2019 at 03:21 PM.
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Old 4th February 2019, 07:44 PM   #12
andy2 is offline andy2  United States
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Quote:
Originally Posted by holco View Post
Between which capacitors are you doubting?
Well for me it's more like trying to find the most cost effective capacitors. I could purchase the best but it would probably cost more than I would like.
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Old 4th February 2019, 08:18 PM   #13
holco is offline holco  Netherlands
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I can only tell you what I have spent was worth every penny
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Old 5th February 2019, 07:49 AM   #14
holco is offline holco  Netherlands
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The diameter of the Supra Ply 3.4/S cable outer sheath is 8 mm, I have removed the plastic tube that contained the coax wire and the existing holes are then drilled to 8.5 mm with an angle screwdriver, where the cable enters the coax chamber I glued it with a PU TIX Express from Bostik, first I have the cable extended further then glued and then retracted the cable thru the hole again so that the hole itself is also provided with glue, immediately afterwards I sprayed some water with a plant spray to accelerate the drying process, later I tested the closure by pressing the passive woofer with a good result, totally no movement at the coax, the remaining holes are also drilled to 8.5mm so that the wires are supported there too, this time without glue.

The Ply 3.4 / S cable has two 3,4mm2 (OFC) cores, these cores are far too thick to fit into the holes of the coax and woofer terminals, these are soldered neatly direct on the plus and min terminals, the terminal supports of the coax and the woofer are attached to the units with a bolt, the earthed wires are secured to them so the frames are also grounded.

I have placed the gold plated earth terminal airtight through a 3mm hole between the two +/- connections, at the rear is a thin gold plated solder plate fixed to the m3 bolt.


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Old 5th February 2019, 12:15 PM   #15
holco is offline holco  Netherlands
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Some more pictures.

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Old 6th February 2019, 07:22 PM   #16
holco is offline holco  Netherlands
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Today I made a recording of my installation with the song Takla Makan by Yello, sound recording was made with a Tascam DR-40 v2 in the format WAV 24bit-48k, the video is just from my phone.

Now is You-Tube not the most suitable medium for sound and often there is no option to listen to it optimally via the equipment You-Tube plays, so also a link from the original sound file for download so you can directly put the file in your music streamer for the best result.
This recording gives only an impression and is far from how it sounds 1: 1 but I thought it would be nice to share it.

Original sound file out of the Tascam:
thegood.cloud

You-Tube link:
YouTube
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Old 9th February 2019, 06:58 AM   #17
holco is offline holco  Netherlands
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Yesterday I placed the last upgrade of this project, I am talking about the Jantzen wax coil's that took some time to arrive but finally I have them mounted on the woofer crossovers and listened for a few hours to what they do in the whole picture.

Believe me, the Wax coils are the icing on the cake!!

Equal to the coax, the upper bass / low mids in the room now places more up front and outside the speakers and the bass / low mids has more weight / push and detail, the Wax coils clearly!! show an improvement with every kind of music in the lower regions, music with low voices like for example Leonard Cohen sounds really freaking good.

I am totally happy with how the speakers are performing now, by default I was already very impressed with the CS2.4 but now they perform at a totally different level!! what I want to say more is that there is absolutely no sharpness or rawness to hear, rather the opposite!! with still the beautiful Thiel character present.


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Old 9th February 2019, 07:04 PM   #18
andy2 is offline andy2  United States
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Hi holco,

Did you have to custom order the .72mH wax inductor, since the standard value is .75mH ?
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Old 10th February 2019, 06:39 AM   #19
holco is offline holco  Netherlands
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Hi andy2,

No custom order, it's a standard value.

000-8343 0.72mH Jantzen Wax Coil, Copper foil Inductor 30mm width, 14AWG | Hifi Collective
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Old 26th March 2020, 08:23 PM   #20
wdguru is offline wdguru
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Thanks for all the pictures and info. This helps a lot. I am stuck trying to take the passive radiators out. I took out the screws but I can't figure out how the radiators come out. Any help would be appreciated.
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