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TABAQ TL for Tang Band
TABAQ TL for Tang Band
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Old 1st January 2018, 01:07 PM   #1991
Elias Zacharopoulos is offline Elias Zacharopoulos  Greece
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Default CX120-8 dissapointment

Quote:
Originally Posted by perceval View Post
I'm no expert, Bjørn is!

I have tested many local drivers in the TABAQ, so I have a little idea of what works and what doesn't.

The RS100 looks good on paper, except for the falling higher end at an angle, so, this drivers has some beaming "tendencies".

Reports earlier on the thread (search for RS100) say that the driver reaches down low, but lacks a bit on the higher end... probably due to the beaming.

Ah! Sorry. I haven't seen the new Dayton offerings, but they do have a 4" version of that coax driver.


Dayton Audio CX120-8 4" Coaxial Driver with 3/4" Silk Dome Tweeter 8 Ohm
Happy New Year to all.
As for CX120-8, there is a thread about a big (in my oppinion) issue and a link to youtube
Dayton Audio joins the coaxial game. - AVS Forum | Home Theater Discussions And Reviews

I believe it is useless for TABAQ (at least)

Elias
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Old 1st January 2018, 01:23 PM   #1992
perceval is offline perceval  Taiwan
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Elias,

Thank you very much for the heads up.

Indeed, it looks like trouble. They say they can hear the noise up to 400Hz. So, that makes it a 500Hz to 20kHz wide range driver.

And not looking good for the TABAQ, or any closed/vented box design.

Too bad. On paper that driver looked great.

And Happy New Year to you guys as well!
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Old 1st January 2018, 03:32 PM   #1993
GraphicCanuk is offline GraphicCanuk  Canada
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Elias thanks for the heads up! Back to the drawing board as they say. Hope everyone has a great new year!
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Old 2nd January 2018, 04:01 PM   #1994
iinself is offline iinself
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Hi,
can I move the driver (W5-1611SAF, 5 inches) up, will it alter the design negatively? - I am planning to place the speakers about 4 ft behind my stand-up computer desk and wanted the driver to be above the desk.

How high can I go?

thanks
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Old 2nd January 2018, 04:27 PM   #1995
perceval is offline perceval  Taiwan
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Eh... no.

Moving the driver will alter it's response and unbalance it.

Instead, make a taller base (a foot?) for them to raise the whole speaker. It can be done to look good as well.
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Old 2nd January 2018, 05:30 PM   #1996
Bjohannesen is offline Bjohannesen  Denmark
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Perceval you are spot on - as usual.

I know somebody made a foot and filled it with dried sand, and they where very happy with the result.
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Old 2nd January 2018, 06:56 PM   #1997
iinself is offline iinself
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Quote:
Originally Posted by Bjohannesen View Post
Perceval you are spot on - as usual.

I know somebody made a foot and filled it with dried sand, and they where very happy with the result.


Cool, thanks Bjohannesen and Perceval.
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Old 4th January 2018, 01:01 AM   #1998
iinself is offline iinself
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Default Need help interpreting the response graphs for foam TABAQ

Hi,
completed building a foam core board enclosure. Using a Dayton Audio iMM-6 mic and the ARTA software got these graphs but not sure if they make any sense, would appreciate any help I can get in interpreting them.
For stuffing used the polyster fibres from a pillow.
The mic was placed about a meter in front of the speaker.
First speaker build, so please pardon my ignorance.

thanks.
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File Type: png tabaq foam 2.png (68.8 KB, 176 views)
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Old 4th January 2018, 01:55 AM   #1999
perceval is offline perceval  Taiwan
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How did you measure the first and second graph to have different curves? The first one would drive me nuts with that spike at 1kHz.

Also, your foam core enclosure is very leaky, but the looks of the lack of bass from that TB 5" driver. I doubt foam core is appropriate for this size of a driver and the pressure generated, unless you triple the amount of foam core boards... then, maybe... perhaps... not completely sure.

X builds a lot of foam core models, but they are usually for 3" drivers, and he adds a lot of bracing as well, even for such small drivers. I don't believe foam core is appropriate for a TABAQ Large.
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Old 4th January 2018, 02:10 AM   #2000
iinself is offline iinself
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Quote:
Originally Posted by perceval View Post
How did you measure the first and second graph to have different curves? The first one would drive me nuts with that spike at 1kHz.

Also, your foam core enclosure is very leaky, but the looks of the lack of bass from that TB 5" driver. I doubt foam core is appropriate for this size of a driver and the pressure generated, unless you triple the amount of foam core boards... then, maybe... perhaps... not completely sure.

X builds a lot of foam core models, but they are usually for 3" drivers, and he adds a lot of bracing as well, even for such small drivers. I don't believe foam core is appropriate for a TABAQ Large.
Thanks for that feedback. I am not sure if I am doing it right - I record some generated pink noise.
Would 0.53x Karlsonator be appropriate to try this driver with a foam enclosure?

Last edited by iinself; 4th January 2018 at 02:15 AM.
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