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Old 5th October 2012, 07:01 PM   #11
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;-) Clearly it's slow day for me at work.

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Old 5th October 2012, 07:01 PM   #12
kumori is offline kumori  Europe
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Quote:
But if this is for livingroom use, don't even think about it
OK, convinced. I guess it´ll have to work without an equalizer.
Thanks for your help guys, I see much clearer now.

I think I will choose between the mmar-kel70 and the trapezoidal mystery-design. Is "dave" actually "planet10"? Should I PM him for some information?
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Old 5th October 2012, 07:09 PM   #13
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Quote:
Originally Posted by kumori View Post
OK, convinced. I guess it´ll have to work without an equalizer.
Thanks for your help guys, I see much clearer now.

I think I will choose between the mmar-kel70 and the trapezoidal mystery-design. Is "dave" actually "planet10"? Should I PM him for some information?
He is. If you search the forums you will find some of the initial builds.

Kyle
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Old 5th October 2012, 07:51 PM   #14
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by kumori View Post
OK, convinced. I guess it´ll have to work without an equalizer.
Thanks for your help guys, I see much clearer now.

I think I will choose between the mmar-kel70 and the trapezoidal mystery-design. Is "dave" actually "planet10"? Should I PM him for some information?

As Kyle already confirmed, yes Dave constitutes the major mass of the Planet10 "system" - but there are smaller planetoids in irregular orbits . He doesn't accept PMs, but monitors these fora enough to maybe catch the query - best case though would be to email directly via the commercial site listed below.

Without bragging too much, I've probably built as wide a range of enclosures for the EL70 as anyone, and can certainly confirm that it's widely adaptable. Spoiler alert /disclaimer as I think Kyle and /or Ryan have heard me exclaim in more than one listening session - it's probably my overall favorite of Mark's drivers.

It'll work well enough in smallish (5-6L) vented boxes, but starts to shine in medium size (12L or so) vented and floor-standing MLTLs. At last count, the subscription plan-set dated March 2012 has over a dozen design drawings (some are variations for different material thicknesses) - and I'll admit to not having built them all.
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Old 5th October 2012, 08:39 PM   #15
kumori is offline kumori  Europe
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Ok, thanks.
I just wrote a proper mail.

Regards
Flo
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Old 5th October 2012, 09:43 PM   #16
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EL70 Sealed:

Click the image to open in full size.

dave
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File Type: gif EL70-sealed-sim.gif (14.5 KB, 279 views)
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Old 5th October 2012, 09:51 PM   #17
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The mystery trapezoid is the same volume & alignment as the fullsize Mar-Kel70, and often has people looking for the subwoofer. Called "Trapezoid" Mar-Kel Floorstander MkIII (not to be confused with the trapezoid stand-mounts.

Bernie's solid yellow cedar build.

Click the image to open in full size.

Chris' plywood with stained cherry veneer

Click the image to open in full size.
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Old 6th October 2012, 09:50 AM   #18
kumori is offline kumori  Europe
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Interesting measurements, F3 is really a little bit high at 80-90 Hz.
Since all three curves are black, I guess the one with the big hump at 180 Hz is in the 55L box (!?)

Do you happen to have mmar-kel-measurements for the low frequency part, too?
I found some curves from tuxedocevic in another thread, but not the low frequency part.
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Old 6th October 2012, 01:12 PM   #19
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Quote:
Originally Posted by kumori View Post
Interesting measurements, F3 is really a little bit high at 80-90 Hz.
Since all three curves are black, I guess the one with the big hump at 180 Hz is in the 55L box (!?)
What measurements?

If you refer to the sealed sims i posted, the legend has the volume for each curve. Q=1 is ~2.7 litre.

And we know that F3 is meaningless when it comes to what we hear (Toole).One has to look at F6 and F10.

dave
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Old 6th October 2012, 01:39 PM   #20
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That "big" hump is only ~1.5 dB. Not really that big. The chart has a more expanded scale than is usual.

Quote:
Originally Posted by kumori View Post
Interesting measurements, F3 is really a little bit high at 80-90 Hz.
Since all three curves are black, I guess the one with the big hump at 180 Hz is in the 55L box (!?)

Do you happen to have mmar-kel-measurements for the low frequency part, too?
I found some curves from tuxedocevic in another thread, but not the low frequency part.
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