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My JBL 4355 Homecinema Soundbar build
Hello all!
Although I read in this forum for some time now, this is my first post. By way of introduction, I am Stefan, I live in a small city very close to Frankfurt/Germany. So, apologies for the one or the other typo or grammar mistake. I turned 50 this year and my interest in HiFi and DIY started in the eighties with a pair of Infinity Kappa 8. Lately I tried electrostats and open baffle subwoofers.
However, I have always been interested in a very lively sound experience. I have to thank Holger Barske ("hb") for the inspiration. His 4355 build is documented elsewhere in this forum. His build encouraged me to try it by myself.
On one hand, my room was not wide enough for a proper placement of a pair of 4355. On the other hand, my interest is not only music but also homecinema. Why not combining the two?
- The woofers of the 4355 are actively crossed over anyhow.
- The mid-high section may be better arranged in a vertical row.
- The four 2235 can better be replaced by two 2245
- All Drivers could be arranged in one cabinet (inspired by the Paragon)
I started with a brief coloured image to get an idea how things could tie together:
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I learned and profited a lot from this forum and without the documents and hints and tips herein, this would not have been possible. Therefore, the intention of this thread is, to share some of my experiences and pictures with you to say "thank you guys". From my own experience, I always enjoyed a lot to view storys and pictures of someones built.
So, I hope you enjoy it.
Stefan
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Build the (test) enclosure
As my room is exactly twice as long as wide, I have some problems with room modes. So, I did not know, whether this will work in my room. And this is my first experience with JBL. As prices for good wood have gone up over the past years, I decided to start with an easy test enclosure made of particle board.
The volume was calculated based on the documentation of the subwoofer for the 2245 (2 times the 20Hz Version with 12 sqrft). The size is 2m x 0.5m x 1.1m.
First thing was to cut the holes into the baffle wall:
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To keep the test enclosure simple, I decided to use the mid woofer housing also as bracing for the enclosure:
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First look at the raw enclosure:
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This cannot be overseen in the living room. I decided to add some paint to see if I like a "blue wall" of 2 x 1 m in my living room:
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The damping was done with hemp mats:
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Here we are: Final pictures in test enclosure
Everything was put together and there was a long way to go with measurements etc.
However, while I write theses posts I listen to Gregory Porter (on Vinyl) and it all paid off. I love the sound, although I have a number of questions and ideas for improvements ;-)
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Thanks for watching. I hope you enjoyed it...
Stefan