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Old 7th February 2006, 09:17 PM   #1
Jonasa is offline Jonasa  Belgium
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Join Date: May 2005
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Default Closed box design:Scan Speak monitor

I started with my box design at the end of last summer 2005.
I wanted to build a very good box with small dimensions for home use.
My requirements were as follows:
1. Sonics as the primary focus
2. Small dimensions with relatively high power and good bass response for its size.

After searching on the internet I found the studio monitor design of Vance Dickason. This was exactly what I was looking for. Small, sonics as the primary focus, bass as low as 54 Hz at -3dB....

Woofer is SS 18W8545 tweeter D2509/9900 revelator
You can see the design at the following link:

Studio monitor

So I purchased the Speaker design Cookbook of Vance Dickason and started building.

I wanted to use the very best materials. So I've build the box in oak. I've used very expensive caps and coils in my crossover network.
Because I want the best components at no price I've put an air coil in the crossover of the woofer, therefore I must recalculate the net internal volume of the box because Vance didn't use an air coil. The internal volume is exactly 7.9 litre just as described in the book of Vance.

I want to share this design with everyone so I've put some pictures below:

I've used a lot of internal bracing. The housing is of 2cm thick oak and the front pannel is 3cm thick.
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File Type: jpg internal bracing2.jpg (6.2 KB, 1480 views)
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Old 7th February 2006, 09:18 PM   #2
Jonasa is offline Jonasa  Belgium
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Picture of the backpanel with the crossover components
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File Type: jpg crossover.jpg (29.1 KB, 1380 views)
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Old 7th February 2006, 09:20 PM   #3
Jonasa is offline Jonasa  Belgium
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Semi complete box with bracing
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File Type: jpg semi complete2.jpg (13.9 KB, 1360 views)
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Old 7th February 2006, 09:22 PM   #4
Jonasa is offline Jonasa  Belgium
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View on the upper part. This will be behind the tweeter
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File Type: jpg semi complete upper part.jpg (11.9 KB, 1196 views)
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Old 7th February 2006, 09:24 PM   #5
Jonasa is offline Jonasa  Belgium
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View on the lower part behind the woofer 18W8545
You can see the large air coil.
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File Type: jpg semi complete lower part.jpg (12.4 KB, 1156 views)
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Old 7th February 2006, 09:25 PM   #6
Jonasa is offline Jonasa  Belgium
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Both speakers side by side.
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Old 7th February 2006, 09:26 PM   #7
Jonasa is offline Jonasa  Belgium
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Semi complete box
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Old 7th February 2006, 09:27 PM   #8
Jonasa is offline Jonasa  Belgium
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And the finally a look of my complete speaker in oak.
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Old 7th February 2006, 09:29 PM   #9
Jonasa is offline Jonasa  Belgium
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Here is the picture...
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Old 7th February 2006, 09:35 PM   #10
Jonasa is offline Jonasa  Belgium
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Last picture:
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