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@davitsio any update on how the 8" adapter prototype is working out?
Also, the male connector for the 4" speakers apparently is available as a stand alone connector which would help with making speaker connector cables without 3D printing the housing. A person on, another forum, posted a connector housing part number 1-1534155-1 which is available from most electronic distributors ( Digikey, Mouser and Arrow). I can't tell for sure if the actual crimp pins come with the housing or if you must order them separately.
They are pretty cheap, so I'll order some.
I'm also placing an order for your 4" brackets (thanks).
Thanks!Is the problem the width of the cylinder, that the speaker sits on, at the bottom where the cylinder meets the bracket that bolts to the door?
If this is the issue, would making the diameter (width) of the cyclinder narrower at the bottom fix the problem?
Thanks!
The problem is indeed the bottom of the cylinder. So your solution is correct. I believe that taking the cylinder and narrowing it toward the bottom and middle, and then expanding toward the speaker itself, is the correct way to go. The problem is that, I believe, that involves a technique known as lofting, and that is something I do not know how to do. The lofting is needed because the cylinder has to be wide where it meets the base, and also where it meets the speaker (kind of like a slight hourglass-effect)I have no doubt I could learn it, but the struggle is about how much time I have to spend on these side projects. If you have some knowledge there, (or anyone else) I could use the assistance!
However, since all the other dimensions are right, I believe that narrowing the cylinder will complete the project.
Here are a few direct links to multiple distributors for the 4" speaker connectors.
Male connector housing (same as what is on the speaker)
TE Connectivity 1-1534155-1
1-1534155-1 TE Connectivity / AMP | Mouser
https://www.digikey.com/products/en?WT.z_se_ps=1&keywords=1-1534155-1
PINs (I used gold but there are other numbers for tin)
TE Connectivity 963716-2
963716-2 TE Connectivity / AMP | Mouser
Looks like Digikey doesn't have the gold pin in stock right now, but they do have the regular pin
963716-1 TE Connectivity AMP Connectors | Connectors, Interconnects | DigiKey
There is also a "retainer" which I think is just a cap to cover up the two holes where the barb on the pin locks the pin into the housing.
It doesn't appear to be necessary to make the connector work, but I ordered some anyway.
1534027-1 TE Connectivity / AMP | Mouser
https://www.digikey.com/products/en?keywords=1534027-1
I'm not versed in 3D modeling, but I'm technically inclined. One way to generate the cylinder with different diameters is to use a cone with the top cut off at the needed diameter and height. However, I don't know if the software uses this approach to generating a geometry. I'll dig a little, but someone more experienced will probably come up with a quicker solution.
Also, as promised, here is the STL for the prototype woofer bracket for the ISU-200.
Did anyone tried this bracket yet? or is anyone about to do so? Since I won't be working on this for another ~4-5 weeks, I'm willing to put in cash for someone to try this. The cash would be to compensate any lost to return the speaker to the vendor (re-stocking fee? shipping fee? etc).
For those who haven't noticed... when buying a pair of ISU-200, it includes a pair of Focal TWU 1.5 tweeters.
I will make one recommendation for you, and for everyone else who has ordered. I have come to realize over a month or two that the screws holding the midrange speakers in place will vibrate loose over time. I will add lock washers to the install when I get around to it, and I suggest you do the same.
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Hello, all! I have finally gotten back to things after the holidays and have learned some lofting and a bit more skill in 3D modeling in general. So, I have updated the model with all the modifcations that I wrote down when I last tested the brackets and so have yet another prototype iteration to test. The weather in Boston right now is -4C, so too cold to test these without a garage, but if anyone want to test them, I'd be happy to ship over a bracket. I will get around to testing them eventually, but probably not until the weather warms. I am printing the braket in two pieces and using epoxy to bond them. This is much easier than trying to print in one huge piece with supports everywhere.
As a reminder to everyone, you can order printed brackets from me if you want at www.audioliphe.com . I will not be building cables for people anymore because it's a huge pain, but I will be happy to let everyone know how I build them so you can do it yourself, and maybe I will sell a kit to do that in the near future, as one creative forum member suggested.
Here's some photos of the brackets. The files I am uploading here are the STL for the new brackets (in case someone has a 3D printer and wants to try). I also have the Fusion 360 file as well and can post it if someone wants to tweak it. I am releasing all of this in the Creative Commons Attributon-NonCommercial-ShareAlike license, which means you can do whatever you want with it as long as you don't sell the brackets as a business and you share whatever modifications you make with the community as well. View attachment 498489 View attachment 498481 View attachment 498483 View attachment 498484 View attachment 498485
Hello, all! I have finally gotten back to things after the holidays and have learned some lofting and a bit more skill in 3D modeling in general. So, I have updated the model with all the modifcations that I wrote down when I last tested the brackets and so have yet another prototype iteration to test. The weather in Boston right now is -4C, so too cold to test these without a garage, but if anyone want to test them, I'd be happy to ship over a bracket. I will get around to testing them eventually, but probably not until the weather warms. I am printing the braket in two pieces and using epoxy to bond them. This is much easier than trying to print in one huge piece with supports everywhere.
As a reminder to everyone, you can order printed brackets from me if you want at www.audioliphe.com . I will not be building cables for people anymore because it's a huge pain, but I will be happy to let everyone know how I build them so you can do it yourself, and maybe I will sell a kit to do that in the near future, as one creative forum member suggested.
Here's some photos of the brackets. The files I am uploading here are the STL for the new brackets (in case someone has a 3D printer and wants to try). I also have the Fusion 360 file as well and can post it if someone wants to tweak it. I am releasing all of this in the Creative Commons Attributon-NonCommercial-ShareAlike license, which means you can do whatever you want with it as long as you don't sell the brackets as a business and you share whatever modifications you make with the community as well. View attachment 498489 View attachment 498481 View attachment 498483 View attachment 498484 View attachment 498485