Tang Band W4-1320 Bookshelf MLTL Speaker build

yljhao · 11th September 2010, 09:23 AM

Speaker looks like this.

Fills cotton in front transmission line.

Fills cotton in rear transmission line.

BSC circuit. 400HZ -4db at left side. 400HZ -6db at right side.

BSC circuit glued here.

System SPL @ infinite baffle.

Port and Driver SPL curve @ infinite baffle

Inpedance @ infinite baffle

System Group Delay @ infinite baffle

System SPL curve when Driver @ 35 cm to rear wall, listen position @ 60c to driver,

400HZ -6dz BSC Circuit.

Cabinet design:3D、2D

Hope you will like it.

yljhao

norman bates · 11th September 2010, 10:45 AM

What's it sound like compared to other speakers / drivers ?

Is this for nearfield ?

Norman

yljhao · 11th September 2010, 03:43 PM

I can play music in 4 hours without rest, so maybe the sound is balance. And I don't have other speaker or driver to compare, hope you don't mind it.

This design is for nearfield, but you can also use it in farfield too.

yljhao

fakeout · 22nd March 2012, 09:48 PM

wow-oh-wow!

I REALLY like this design. Have you done any more?

Rev. Billy Bob · 23rd March 2012, 12:51 AM

Very Nice. Why did you go with different BSC on the two channels? Was it variation in the drivers, or was it because of a room placement issue?

zorz · 23rd March 2012, 04:50 AM

Could you post the cabinet dimension? They look almost exactly like what I'm building. Very nice!

Bjohannesen · 25th March 2012, 05:16 PM

Nice work !

FYI I have folded my TABAQ into TABAQ BOX. The cabinet is 12 mm MDF except the sides which are 9 mm plywood and 3 mm black acryl.

This cabinet is with TB 3" but would do well with 4" - as I have done in my original TABAQ cabinets.

I am still amazed about the result using such a small 3" driver.

TABAQ BOX can be placed as you like it, as loong as the opening is not blocked.

yljhao · 11th April 2012, 03:56 AM

Quote:

Originally Posted by fakeout

wow-oh-wow!

I REALLY like this design. Have you done any more?

Thank you. I only build one pair of this.

Quote:

Originally Posted by Rev. Billy Bob

Very Nice. Why did you go with different BSC on the two channels? Was it variation in the drivers, or was it because of a room placement issue?

I use same BSC value on speakers. The picture "BSC circuit. 400HZ -4db at left side. 400HZ -6db at right side." compared the inductor size of two BSC circuits.

Quote:

Originally Posted by zorz

Could you post the cabinet dimension? They look almost exactly like what I'm building. Very nice!

You can download the 3D sketch from google sketchup warehouse.
Link: 3D

Quote:

Originally Posted by Bjohannesen

Nice work !

FYI I have folded my TABAQ into TABAQ BOX. The cabinet is 12 mm MDF except the sides which are 9 mm plywood and 3 mm black acryl.

This cabinet is with TB 3" but would do well with 4" - as I have done in my original TABAQ cabinets.

I am still amazed about the result using such a small 3" driver.

TABAQ BOX can be placed as you like it, as loong as the opening is not blocked.

Thank you for share your cabinet design. It's interesting about place MLTL port on the top of cabinet. The bass will spread into entire room space.

Bjohannesen · 11th April 2012, 07:28 AM

Another benefit is that you can put the cabinet "upside down". This looks nices if you mount the caninet on the wall, put it on a stand og place it on your desk (keeping in mind that the opening is free).

By "turning" the cabinet, the position of the driver looks nicer.

And not to forget: My wife suggested that my two original TABAQ (now with TB 4") also got the black acryl finish = high WAF :-)

Greetings from
Bjorn

11th September 2010, 09:23 AM	#1
yljhao diyAudio Member Join Date: Dec 2009	Tang Band W4-1320 Bookshelf MLTL Speaker build Speaker looks like this. Fills cotton in front transmission line. Fills cotton in rear transmission line. BSC circuit. 400HZ -4db at left side. 400HZ -6db at right side. BSC circuit glued here. System SPL @ infinite baffle. Port and Driver SPL curve @ infinite baffle Inpedance @ infinite baffle System Group Delay @ infinite baffle System SPL curve when Driver @ 35 cm to rear wall, listen position @ 60c to driver, 400HZ -6dz BSC Circuit. Cabinet design:3D、2D Hope you will like it. yljhao

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11th September 2010, 10:45 AM	#2
norman bates diyAudio Member Join Date: Nov 2003 Location: iowa	What's it sound like compared to other speakers / drivers ? Is this for nearfield ? Norman

11th September 2010, 03:43 PM	#3
yljhao diyAudio Member Join Date: Dec 2009	I can play music in 4 hours without rest, so maybe the sound is balance. And I don't have other speaker or driver to compare, hope you don't mind it. This design is for nearfield, but you can also use it in farfield too. yljhao

22nd March 2012, 09:48 PM	#4
fakeout diyAudio Member Join Date: Feb 2012	wow-oh-wow! I REALLY like this design. Have you done any more?

23rd March 2012, 12:51 AM	#5
Rev. Billy Bob diyAudio Member Join Date: Jul 2009	Very Nice. Why did you go with different BSC on the two channels? Was it variation in the drivers, or was it because of a room placement issue?

23rd March 2012, 04:50 AM	#6
zorz diyAudio Member Join Date: Mar 2012	Could you post the cabinet dimension? They look almost exactly like what I'm building. Very nice!

25th March 2012, 05:16 PM	#7
Bjohannesen diyAudio Member Join Date: Jan 2005 Location: Copenhagen	Nice work ! FYI I have folded my TABAQ into TABAQ BOX. The cabinet is 12 mm MDF except the sides which are 9 mm plywood and 3 mm black acryl. This cabinet is with TB 3" but would do well with 4" - as I have done in my original TABAQ cabinets. I am still amazed about the result using such a small 3" driver. TABAQ BOX can be placed as you like it, as loong as the opening is not blocked.

11th April 2012, 07:28 AM	#9
Bjohannesen diyAudio Member Join Date: Jan 2005 Location: Copenhagen	Another benefit is that you can put the cabinet "upside down". This looks nices if you mount the caninet on the wall, put it on a stand og place it on your desk (keeping in mind that the opening is free). By "turning" the cabinet, the position of the driver looks nicer. And not to forget: My wife suggested that my two original TABAQ (now with TB 4") also got the black acryl finish = high WAF :-) Greetings from Bjorn

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