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New kick bin for PD186 : SV186BPH

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Dref View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dref Quote  Post ReplyReply Direct Link To This Post Topic: New kick bin for PD186 : SV186BPH
    Posted: 04 February 2013 at 9:10pm
Hi Speakerplanners

I just finished building two of my new band pass horns optimized for PD186.


Dimensions are H:636 W:600 D:750. So they stack nicely on top of 600 or 636 wide subs.

Here is a simulation of 4x ES18BPH (Black) compared to 4x SV186BPH (Gray), both loaded with PD186 given 0.25W per cap(1W in total) in 4 Pi.

The original driver recommended for the ES18BPH sims much better than the PD186. The sim might also be too pessimistic because people seems satisfied with PD186 loaded ES18BPHs, but at least this were my motivation for trying to do a new design.

A 3D rendering of what the cab should look like when done. (At least that is my current plan)

I have plans as a pdf if anyone is interested. [Download link:uploads/7894/Plan_-_SV186BPH.pdf]


Now for some more pictures(As usual, sorry for crappy phone pictures):



















Edited by Dref - 12 February 2013 at 10:56am
A proper build subwoofer will be the only thing in a room that is not shaking.
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bee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 04 February 2013 at 10:37pm
looks like my new kick cab good work m8t....
 
 
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 04 February 2013 at 10:40pm
Looks very much like we were both on the same wave length of thinking.......Thumbs Up
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ermita Quote  Post ReplyReply Direct Link To This Post Posted: 04 February 2013 at 10:58pm
nice Dref.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dref Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2013 at 9:44am
Originally posted by bee bee wrote:

Looks very much like we were both on the same wave length of thinking.......Thumbs Up

Haha you are right. Nice work to you too Tongue

Are yours also designed for the PD186?


Edited by Dref - 05 February 2013 at 1:09pm
A proper build subwoofer will be the only thing in a room that is not shaking.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote T-Bone Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2013 at 10:15am




Edited by T-Bone - 05 February 2013 at 10:25am
BASS, how low can you go!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2013 at 11:04am
Yes, the joy is they play higher before the sound honky, they play with ease up to 175hz
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SBC Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2013 at 11:11am
the rear facing driver will be an issue for playing up anywhere above about 150
F.T.S.S.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2013 at 11:46am
This is what I was led to believe, but so far test I'm doing are on the positive side. Ill keep u posted on how I get on and ill try to get some Rta plots up
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Teunos Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2013 at 11:49am
Considering the opposite, although turbulences will occur around the chassis and magnet etc, the rear of the chassis will also act as a phasing plug.
Best regards,
Teun.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dref Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2013 at 1:06pm
Oh I found out I could use the upload file function.Smile
Plan:



Consider the cone shape vs the chamber shape. 

Reverse firing = >>
Normal = <>

Minimizing the path length differences.


Not that I think all this really has a significant impact. Even at 200 Hz the wavelength is still 1,72 m...
What is important is the volume and length of the front and rear chamber.

A proper build subwoofer will be the only thing in a room that is not shaking.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tekasis Quote  Post ReplyReply Direct Link To This Post Posted: 05 February 2013 at 1:37pm
Both looking cool!
**Heavy Weight-Line**
A home without books is like a body with no soul.
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