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First Build: Pensil P11
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Old 21st December 2020, 03:47 AM   #11
GM is offline GM  United States
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Agreed, I just couldn't remember what I'd posted on several occasions was the MDF thickness required to match up to the 19 mm no void plywood's 1.8 mil psi MOE spec; finally remembered it is 1.25"/31.75 mm, so two 15 mm bonded together with a hard setting adhesive is close enough to not need any bracing for a small 'FR' driver.

GM
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Old 22nd December 2020, 05:20 PM   #12
BKE is offline BKE  United States
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Regarding the bracing; if I recall correctly it is supposed to be tight to the back the driver, since the bracing is offset it will be bracing one side more than the other. That seems a bit odd to me, am I interpreting this incorrectly?
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Old 22nd December 2020, 05:39 PM   #13
planet10 is offline planet10  Canada
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The brace is close enuff to the middle of the magnet that it makes no difference, but the back panel is now subdived into 2 subpanels with unequal aspet ratios so they do not have the same resoannce potential.

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Old 22nd December 2020, 05:41 PM   #14
BKE is offline BKE  United States
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Understood, thank you Dave.
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Old 9th January 2021, 04:57 PM   #15
BKE is offline BKE  United States
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Join Date: Nov 2020
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Well the SuperPensil build is underway; much learned on my first build, operative word being first.
I attempted, well I might add, to miter everything vs veneer. Don’t do it unless you’re skilled, a lot of waste and frustration.
With that said, I dry fit them last evening and only had a few areas of correction. Once I finish the bracing and final assembly I’ll post some pictures. I don’t know how I will finish them, form to follow.
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Old 9th January 2021, 05:03 PM   #16
planet10 is offline planet10  Canada
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:^)

It is hard to stop after just 1 cookie.

dave
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Old 9th January 2021, 05:04 PM   #17
BKE is offline BKE  United States
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I’m a very weak man when it comes to cookies
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Old 9th January 2021, 10:36 PM   #18
mhenschel is offline mhenschel  Canada
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First Build: Pensil P11-seed-png
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Last edited by planet10; 10th January 2021 at 12:42 AM. Reason: image fixed
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Old 12th January 2021, 02:09 PM   #19
BKE is offline BKE  United States
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Good ole chocolate chip, nuts are acceptable in moderation. Biscuits, not so much, except with coffee in the afternoon.
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Old 12th January 2021, 02:40 PM   #20
mhenschel is offline mhenschel  Canada
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@p10 -- thanks
@BKE -- so... cookie cutter, not biscuit cutter (joiner), then. ;-)
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