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-   -   Wide or slim CGR dMar-Ken cabinet? (https://www.diyaudio.com/forums/planet-10-hifi/294156-wide-slim-cgr-dmar-ken-cabinet.html)

LaszloGogolak 12th July 2016 05:06 PM

Wide or slim CGR dMar-Ken cabinet?
 
Hello,
I'm planning to build my first set of speakers and after quite a bit of research I decided to start the DIY journey with the Classic Golden Ratio dMar-Ken7.3.

Now the question is: what should be taken into consideration when choosing between the wide or slim version (where the latter is essentially a wide version vertically rotated by 90 degrees)? Do they have different characteristics, especially in the bass and imaging department? Or is it speaker placement/room characteristics dependent? Or the whole question is a matter of aesthetics?

Thanks for helping me to make an educated decision!

planet10 13th July 2016 05:08 AM

Laszlo,

The primary difference between wide & narrow is where baffle-step loss happens. The wide will be a bit over an octave lower, and if placed near the wall, that will reduce the need for baffle-step compensation (note that we rarely use any).

The CGRs are all wide and shallow as a default.

dave

LaszloGogolak 13th July 2016 03:53 PM

Thanks Dave! I much prefer the wide baffle aesthetically and based on my readings about baffle-step loss I supposed it can go lower -- very nice to get confirmation for you, that it actually does.

"if placed near the wall, that will reduce the need for baffle-step compensation" -- Does the placement of port/slot opening has any relevance here?

planet10 14th July 2016 05:09 AM

Quote:

Does the placement of port/slot opening has any relevance here?
You don't want to block it. If close to a boundary you might get a little lift at the tuning frequencies.

dave

LaszloGogolak 14th July 2016 09:43 AM

Front ported it is then. :)
Thanks for the input!


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