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Old 28th April 2009, 01:49 PM   #1
Mayuri is offline Mayuri  Finland
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Default Small enclosure for TB W4-655SA

Alright, I'm requesting some help in this subject. I have currently 2 Cyburgs Stick -speakers with the TangBand W4-655SA element. However, I ordered 3 more and I'm planning on making a 5.1 system with these speakers.

The downside is that I have no clue how I should design the enclosure for the center speaker. It should be considerably smaller than the floorstanding Sticks so I can fit it nicely under/over the TV.

Could someone help me a bit with this, since people here probably have considerably more experience with speakers than myself.
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Old 28th April 2009, 02:49 PM   #2
Henkjan is offline Henkjan  Netherlands
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there is a small BR design with this driver, the CT218BR


Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

see this thread for a build of a very nice example (sivu on hollaneksi)
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Old 28th April 2009, 06:36 PM   #3
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Default Re: Small enclosure for TB W4-655SA

Quote:
Originally posted by Mayuri
Alright, I'm requesting some help in this subject. I have currently 2 Cyburgs Stick -speakers with the TangBand W4-655SA element. However, I ordered 3 more and I'm planning on making a 5.1 system with these speakers.

The downside is that I have no clue how I should design the enclosure for the center speaker. It should be considerably smaller than the floorstanding Sticks so I can fit it nicely under/over the TV.

Could someone help me a bit with this, since people here probably have considerably more experience with speakers than myself.
Ideally, you want to be able to locate the center channel in the center, if you can do that with the Cyburg then there's no reason to look any further. If it's not possible, using the same driver for the center is a great starting point. If the enclosure is going to be placed close to other large objects, like the tele, you'll want to find a design with BSC. In the design above, you'd have to remove the paralleled LR. I believe that you'll want a BR design, whether you'll be using a subwoofer or not. A sealed enclosure will not result in enough bass output to fulfill the role.

Generally speaking, surrounds have the same "environment" as the center channel and the same design can be used in there as well.
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Old 2nd May 2009, 08:08 AM   #4
Mayuri is offline Mayuri  Finland
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How well does the CT218BR integrate with the bigger Sticks. I see that the notch filter is different than with the sticks, so should I use the notch filter designed for the sticks or with the CT218BR to get the center to sound the same as the 4 other speakers.

Click the image to open in full size.

Here is the notch filter for the Sticks.
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Old 3rd May 2009, 09:34 PM   #5
Henkjan is offline Henkjan  Netherlands
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use the notch that is with the design, the baffle is different. since the type of the notch is the same in either, I do not expect any negative influence on homogenious sound
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Old 4th May 2009, 10:26 AM   #6
Mayuri is offline Mayuri  Finland
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Thank for the help everyone. Now I've ordered the required parts for the notch filter. Currently I am building two Sticks and the center, let's see if I manage to build a subwoofer to boost the low frequenzies a bit
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Old 11th May 2009, 08:29 PM   #7
Mayuri is offline Mayuri  Finland
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I couldn't see from the dutch thread, but could someone clarify if dampening is needed in this enclosure?
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Old 11th May 2009, 11:43 PM   #8
Henkjan is offline Henkjan  Netherlands
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you mean in the CT218BR? just a bit of the wool like white stuff will do, ans as usual nothing betweet the driver and the port
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Old 12th May 2009, 04:26 AM   #9
Mayuri is offline Mayuri  Finland
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What if I do the dampening with dampening foam since I have plenty of it at stock. Should I glue it to all sides, just in the back wall, or what? Or should I do experiments with different amounts of it to see what sounds best
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