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Old 6th March 2012, 01:38 PM   #271
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Join Date: Feb 2011
Looks gorgeous, can't get my eyes off it!
Wouldn't it use a stand to have the driver a bit higher?
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Old 6th March 2012, 09:00 PM   #272
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Join Date: Jan 2005
Location: Copenhagen
The acryl was no problem. I got it cut for about 35 $ (calculated from Danish Kroner) and it came with a protection film.
The speaker can be on a stand, on a shelf or just be mounted on the wall with the opening down.
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Old 6th March 2012, 09:05 PM   #273
chrisb is offline chrisb  Canada
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Location: victoria BC
Quote:
Originally Posted by Scottmoose View Post
Love the acryllic. Often wondered about using that. Well, getting someone else to, as I can't build cabinets. Not well, anyway. No facilities. Or time. Or talent...

mate - speaking from experience any hack can build a simple cabinet - it takes time and talent to design one that sounds good and is simple for us hackers to build
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now on sabbatical
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Old 6th March 2012, 10:50 PM   #274
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The acrylic sides are gorgeous, and it sure beats filling, sanding, priming, lacquering, sanding some more, lacquering again, sanding again, letting it sit for a couple of weeks, clear lacquering, letting it sit for a month, sanding, rubbing out the finish, rubbing out the finish, rubbing out the finish, etc. Piano black in one easy step!
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Old 11th March 2012, 02:57 PM   #275
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Join Date: Aug 2011
Location: Germany
I did some more measuring and simulated some correction circuits in Boxsim.
Attached are the frequency responses under different angles (and at my preferred listening position "Hörplatz")
and the last version of the simulated correction circuit. Suggestions concerning the circuit are welcome as I'm
a rookie in this item .

Regards
Sven
Attached Images
File Type: jpg tabaq_alle_messungen.jpg (406.9 KB, 708 views)
File Type: jpg tabaq_0_bis_45_grad.jpg (317.5 KB, 667 views)
File Type: jpg tabaq_hörplatz.jpg (239.3 KB, 654 views)
File Type: jpg TABAQ_neue_Weiche_V2.jpg (380.8 KB, 642 views)
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Old 11th March 2012, 03:36 PM   #276
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Join Date: Apr 2006
Location: Reykjavík
Quote:
Originally Posted by bAD kLOPFER View Post
I did some more measuring and simulated some correction circuits in Boxsim.
Attached are the frequency responses under different angles (and at my preferred listening position "Hörplatz")
and the last version of the simulated correction circuit. Suggestions concerning the circuit are welcome as I'm
a rookie in this item .

Regards
Sven
Can't comment technically as I'm even more of a rookie, so: Good work, and quite inspiring. Thanks for posting.
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Old 19th March 2012, 08:36 PM   #277
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Join Date: Aug 2011
Location: Germany
So, I ended with the attached correction circuit and the corresponding measurement. I think the speaker performs quite well .
Attached Images
File Type: jpg tabaq_mit_weiche.jpg (245.0 KB, 577 views)
File Type: jpg tabaqweiche_163046.jpg (128.4 KB, 100 views)
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Old 26th March 2012, 06:34 PM   #278
zman01 is offline zman01  Bangladesh
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Join Date: Feb 2011
Location: Dhaka
Quote:
Originally Posted by Bjohannesen View Post
Hi Sven, nice work !
I have finished my folded TABAQ BOX, and it is doing very well down to 45 Hz. It is really amazing what you can get out of this small driver.
TABQ BOX can be placed in any direction as long as the opening is not blocked.
The cabinet is made by 12 mm MDF, except the sides which is 9 mm plywood and 3 mm black acryl. Looks very nice according to my wife.

Click the image to open in full size.

Click the image to open in full size.
Hi,

Which driver are you using in this particular build?
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Old 26th March 2012, 06:50 PM   #279
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Join Date: Jan 2005
Location: Copenhagen
It is Tang Band W3-315SC which i used in the first TABAQ. These cabinets has been "upgrated" to W4-1320SA.

Both 3" and 4" can be used in TABAQ and TABAQ BOX without any changes.
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Old 26th March 2012, 07:08 PM   #280
zman01 is offline zman01  Bangladesh
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Join Date: Feb 2011
Location: Dhaka
Quote:
Originally Posted by Bjohannesen View Post
It is Tang Band W3-315SC which i used in the first TABAQ. These cabinets has been "upgrated" to W4-1320SA.

Both 3" and 4" can be used in TABAQ and TABAQ BOX without any changes.
I have a pair of 3" TB drivers with the following specs:

Frequency range: 100-18,000 Hz
Fs: 100 Hz
SPL: 85 dB 1W/1m
Vas: 0.04 cu. ft.
Qms: 4.77
Qes: 0.72
Qts: 0.62
Xmax: 1.5 mm
Impedance: 8 ohms
Re: 5.98 ohms
Le: 0.44 mH

Thinking of bookshelf type design - a folded Tabaq might work?- How tall is the folded cab?

Thx.
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