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Old 1st July 2013, 10:40 PM   #1
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Default Enclosure for EL166

Hello,

I was lucky enough to win a set of white EL166's at last year's Vancouver Island DIYFEST and it's time to put them to use. Dave from Planet 10 eNabled the drivers and did a full set of T/S measurements:

Re: 7.09
FS: 39.67
Qes: 0.55
Qms: 3.35
Qts: 0.47
Vas: 26.65
dB/2.83v: 87.11
Sd: 13498 (I am assuming that's square MM?)
BL: 7.11
Mms: 15.64
Cms: 1029.42

I have plugged those settings into WinISD and it's come back with a 25L box tuned to 36hz with a 2"x7.8" vent. I should note that this is the first time I've tried to design a box from measurements and I don't really know if WinISD is suggesting anything useful.

I have a few tweeters to try with it as well as some full-range drivers to try pairing up. Ideally the top end is going to be modular and sitting in it's own enclosure.

Anywho, if anyone has any other thoughts on bass-reflex or other style of enclosure for this driver I'd love to get some input!

Kyle
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Old 1st July 2013, 11:10 PM   #2
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I get a slightly flatter curve with a bit more extension, but I'm using the factory TS numbers and a newer version of WinISD (0.50a7). That's quite an old version you have there.

Either way, the EL166 has stupid good bass extension in a 25L box.

jeff
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Old 1st July 2013, 11:53 PM   #3
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Hi Jeff,

I think you're running the Pro version, I'll check it out!

At least that's something to start with. Hopefully I can spare a few mins to look at some box designs in Sketch Up and see what they'd look like. The vent configuration can be tweaked as time goes on.

Kyle
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Old 2nd July 2013, 12:08 AM   #4
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I really like the look of Colin's (Toppsy?) stand mount BR, with the EL166 & ERT26 tweeter. I started a 28L Onken style box, but really didn't finish it. Along came a pair of A12p Super Pencils.

jeff
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Old 2nd July 2013, 12:41 AM   #5
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Use the factory data. My numbers are useful formatching.

You have heard Scott's tall ML-TLs, footprint will be similar to a stand mount.

dave
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Old 2nd July 2013, 12:54 AM   #6
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Hi Dave,

Understood RE measurements.

I like the MLTL but to facilitate swapping the top end I wanted the driver near the top of the enclosure and the woofer height relative to the total length is critical in the MLTL if I recall.

Do you think that Scott's MLTL is just about ideal for EL?

Kyle
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Old 2nd July 2013, 12:56 AM   #7
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Quote:
Originally Posted by vinylkid58 View Post
I really like the look of Colin's (Toppsy?) stand mount BR, with the EL166 & ERT26 tweeter. I started a 28L Onken style box, but really didn't finish it. Along came a pair of A12p Super Pencils.

jeff
That looks like it'd be a bruiser! I can understand why you were distracted.

KM
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Old 3rd August 2013, 05:41 AM   #8
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A brief update. Vancouver Island DIYFEST is looming and I have made some quick progress in two nights. I decided to build a totally boring 25L bookshelf format box. I wanted something fairly generic that I could use for future projects. The baffle will be removable. I am going to brace the sides and tops with some scrap 5/8 BB on edge.

Kyle

PS: reached my clamp limit tonight. I must look out for the next Canadian Tire sale!
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Old 6th August 2013, 09:46 PM   #9
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One more quick update: I am nearly ready to make a little sound. I should be able to fire them up tonight if I can get an hour or so in the garage. I will be using my miniDSP for the crossover.

Kyle
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Old 12th August 2013, 04:34 AM   #10
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I finally have something listenable. Just doing some basic tuning. I don that've any measurement gear so it's just by ear at the moment. Perhaps some golden eared folks at VI DIYFEST can offer some opinions!

Kyle
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