3-way design with Jamo R909 mid/high; R907 bass

muskel · 27th December 2011, 09:54 AM

Hello everyone

I wish to build a pair of loudspeakers like this:
http://www.audiofil.no/images/respon...KV900_1314.jpg

I allready have the the drivers

2* http://www.scan-speak.dk/datasheet/pdf/d2905-970000.pdf

2* E0037-08S W15CH001

2* Jamo R907 woofers, i have the measurements for it. Crossover will be active - DCX2496 or similar.

Can i get some help with the design and CAD modelling ?

AllenB · 27th December 2011, 11:07 AM

Hi muskel. These have the potential to be an attractive piece of furniture. How are you going with it so far?

muskel · 27th December 2011, 12:45 PM

Im in the process of planning right now. I have the drivers but need some input on how to further my design.

AllenB · 27th December 2011, 01:25 PM

You can start by working out some enclosure sizes for the woofer and mid, and putting them in boxes. I assume the mid should go in a closed box and the woofer seems to be in a vented one. The external dimensions are on the site you linked to. Try not to incorporate bumps or steps across your baffle, e.g. flush mount your drivers (particularly tweeters), and round the cabinet edges where possible.

Do you have plans to measure them once you have them in boxes?

muskel · 1st January 2012, 10:18 AM

This is how far i got in Bassbox Pro 6:
http://dl.dropbox.com/u/55237764/Jamo%20M15CH-JAM.bb6

I cant seem to figure out the box dimensions.

Should i perhaps port both the mid and woofer ?

27th December 2011, 09:54 AM	#1
muskel diyAudio Member Join Date: Dec 2011	3-way design with Jamo R909 mid/high; R907 bass Hello everyone I wish to build a pair of loudspeakers like this: http://www.audiofil.no/images/respon...KV900_1314.jpg I allready have the the drivers 2* http://www.scan-speak.dk/datasheet/pdf/d2905-970000.pdf 2* E0037-08S W15CH001 2* Jamo R907 woofers, i have the measurements for it. Crossover will be active - DCX2496 or similar. Can i get some help with the design and CAD modelling ?

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27th December 2011, 11:07 AM	#2
AllenB diyAudio Member Join Date: Oct 2008	Hi muskel. These have the potential to be an attractive piece of furniture. How are you going with it so far?

27th December 2011, 12:45 PM	#3
muskel diyAudio Member Join Date: Dec 2011	Im in the process of planning right now. I have the drivers but need some input on how to further my design.

27th December 2011, 01:25 PM	#4
AllenB diyAudio Member Join Date: Oct 2008	You can start by working out some enclosure sizes for the woofer and mid, and putting them in boxes. I assume the mid should go in a closed box and the woofer seems to be in a vented one. The external dimensions are on the site you linked to. Try not to incorporate bumps or steps across your baffle, e.g. flush mount your drivers (particularly tweeters), and round the cabinet edges where possible. Do you have plans to measure them once you have them in boxes?

1st January 2012, 10:18 AM	#5
muskel diyAudio Member Join Date: Dec 2011	This is how far i got in Bassbox Pro 6: http://dl.dropbox.com/u/55237764/Jamo%20M15CH-JAM.bb6 I cant seem to figure out the box dimensions. Should i perhaps port both the mid and woofer ?

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