Need advice : Two way with RAAL 140-15D - diyAudio
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Old 23rd March 2013, 08:25 PM   #1
yoke is offline yoke  Croatia
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Default Need advice : Two way with RAAL 140-15D

Hi
need some advice about mid woofer to use with RAAL 140-15D to make some nice two way loudspeaker.
(probably active, as I have enough amplifiers and dcx)

I have made some big 2.5 loudspeakers but never finished them as they are to big for my room

So now I need something smaller, and need advice which driver to use with RAAL.
(scan speak,dynaudio, audiotechnology,accuton...)

(don't know when I will procide with this project, but have RAAL in my closet for last 4-5 years and would like to put it in use)

Any advice is appreciated, thanks
Josip
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Old 23rd March 2013, 08:34 PM   #2
ScottG is offline ScottG  United States
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Probably the Bandor 150:

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Old 23rd March 2013, 09:13 PM   #3
yoke is offline yoke  Croatia
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tnx Scott but never heard of them...try google but that didn't help
(I really don't have money to play, and cant use number of different drivers...so the one I buy I will have to stick with them for a long time...there's no room for experimenting and playing with different drivers)

would like to go with something that people have heard and was thinking about audiotechnology 18H52 ?

Last edited by yoke; 23rd March 2013 at 09:17 PM.
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Old 23rd March 2013, 09:57 PM   #4
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Must be a wise choice, it's so widely used... I wood simulate for confirmation and look at it's curves and specs (maybe Accuton it's good too but wouldn't make a difficult choice between the two).
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Old 23rd March 2013, 11:02 PM   #5
_henry_ is offline _henry_  Australia
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the 140-15d is high sens, could prob cross around 1.5-1.8khz, i do suggest some bigger pro woofers, Eminence kappalite 12, deltalite12 (neo) or the AE TD12H that would prob the best out there.

do u have masurement mic? if not, dayton omnimic (hardware and software) is a good start or dayton/behringer mic calibrated by crossspectrum with usb/firewire audio interface but you will need third party software such as holmimpulse, REW.

without measurement in your own cabinet, you wont get optimized xover even in active.

cheers
henry

Last edited by _henry_; 23rd March 2013 at 11:26 PM. Reason: typo
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Old 23rd March 2013, 11:16 PM   #6
_henry_ is offline _henry_  Australia
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Click the image to open in full size.
Click the image to open in full size.
this one used ae td10m, 94db but fs 40hz.
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Last edited by _henry_; 23rd March 2013 at 11:18 PM. Reason: photo attachment
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Old 23rd March 2013, 11:26 PM   #7
Face is offline Face  United States
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Considering the large RAAL shouldn't be crossed below 3K, the TD10M would be a poor choice. 3rd party measurements can be found on the Parts Express forum.
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Old 23rd March 2013, 11:34 PM   #8
_henry_ is offline _henry_  Australia
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im not sure why , although i dont have experience with it and i did notice some other members of this or other forums do suggested they prefer to cross higher as you suggested.


RAAL do suggest LR4 @1.6khz.

if need 3khz, then in 2way SB Satori would be a good contender with some trade-offs.
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Old 24th March 2013, 12:27 AM   #9
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Quote:
Originally Posted by Face View Post
Considering the large RAAL shouldn't be crossed below 3K, the TD10M would be a poor choice. 3rd party measurements can be found on the Parts Express forum.
???

A couple HIGH end drivers tested, data

What's wrong with the TD10M?
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Old 24th March 2013, 12:41 AM   #10
ScottG is offline ScottG  United States
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Quote:
Originally Posted by lousymusician View Post
???

A couple HIGH end drivers tested, data

What's wrong with the TD10M?
It won't have the correct dispersion pattern to "mate" with the RAAL that high in freq..
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