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Old 9th July 2018, 12:17 AM   #11
The Fisherman is offline The Fisherman  United States
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Yea sorry about that. I tried loading the image several times in all differant orientations, always came out the same way in the preview. I'm not very Internet savvy! I can build or fix just about anything if I can touch it or draw it. This is the first forum I have ever posted in and I'm 50. Up until a couple years ago I was either at work or on the water.

Thanks very much for the feedback.
MF
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Old 9th July 2018, 12:17 AM   #12
Galu is online now Galu  Scotland
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Quote:
Originally Posted by The Fisherman View Post
Is port top or bottom better?
Will make no difference, could even be situated on the back.
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Old 9th July 2018, 12:19 AM   #13
The Fisherman is offline The Fisherman  United States
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Yes dcs385-4
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Old 9th July 2018, 12:24 AM   #14
Galu is online now Galu  Scotland
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Quote:
Originally Posted by The Fisherman View Post

This is the first forum I have ever posted in.

Thanks very much for the feedback.
MF
I'm new to this posting lark myself, and thank you for your feedback!

I'm hoping the cabinet designer buffs might step in now.
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Old 9th July 2018, 01:01 AM   #15
cochleus is offline cochleus  United States
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Hi, it looks like your well on your way.

One suggestion though...Baltic Birch is a way more suitable material for sub cab walls and bracing instead of 3/4" MDF.
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Old 9th July 2018, 07:53 AM   #16
hollowboy is offline hollowboy  Australia
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Those dimensions & port look fine to me. I suggest you make it slightly oversize, to allow enough volume for some internal bracing - but don't sweat about getting it exact.

You can tweak the response after it is built by changing the port's length, and by trying the sub in different room positions. Room placement makes more difference than getting the box size 'perfect'.

People usually recommend ply because it is a lot stiffer than MDF (for the same weight). For a sub, a rigid box = good. Some people go to crazy extremes

Baltic Birch is the default 'good' ply, but if you can source an equivalent (e.g. if you can get marine ply at mate's rates), go for it. If weight doesn't matter, you can just use more (thicker) MDF, or whatever else is cheap & easy.
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Old 9th July 2018, 11:52 PM   #17
The Fisherman is offline The Fisherman  United States
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Thanks every one for your input. I will begin shortly and will post as I go.

Thanks
MF
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Old 9th July 2018, 11:57 PM   #18
Galu is online now Galu  Scotland
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Looking forward to following your progress.
Let those woodworking skills loose!
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Old 12th July 2018, 07:26 PM   #19
The Fisherman is offline The Fisherman  United States
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FYI in searching for three or four B baltic birch ply I came across an alternative. Sorry if this is already know. It's called appleply. Looks as good and maybe better that BB. USA product!


Thanks
MF
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Old 15th July 2018, 05:17 PM   #20
GM is offline GM  United States
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Right, with similar specs along with no-void marine grade; the traditional triumvirate of desirable speaker building plywood panels with Bamboo a step up.

GM
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