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15" X1 (Picks Added)

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hmaudio View Drop Down
Old Croc
Old Croc


Joined: 03 April 2009
Location: Nottingham
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hmaudio Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2009 at 4:54pm
Just finnished puttin it together and it sounds ok but not as god as i want it too.
sounds good on drum and bass and dupstep but nuffing els.
any tips to make it sounds better? iv reversed the larity and it sounds alot better and im going to add sum insulation to the large chamber today and see what the results are.

Thanks
Nottingham based cab builder. https://www.facebook.com/HMAudio-154352667920145/?ref=bookmarks
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hmaudio View Drop Down
Old Croc
Old Croc


Joined: 03 April 2009
Location: Nottingham
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hmaudio Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2009 at 5:35pm
All sorted now... jsut added the insulation and the sound difference is very noticible :D
Nottingham based cab builder. https://www.facebook.com/HMAudio-154352667920145/?ref=bookmarks
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Glenn View Drop Down
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Joined: 01 October 2008
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Glenn Quote  Post ReplyReply Direct Link To This Post Posted: 25 May 2009 at 3:30pm
Did some quick calcs-
If everything is scaled the change in tuning frequency will match the scale. 

For example scale of 1:2 in each dimension
Cab volume 1/8th original
Port area 1/4 orginal
Port length 1/2 original

Tuning frequency works out at double of original when using winisd.

So I guess if you made a 3:4 (three quarter model) you would end up with tunings 4/3=1.333 times the original.

Food for thought.
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hmaudio View Drop Down
Old Croc
Old Croc


Joined: 03 April 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hmaudio Quote  Post ReplyReply Direct Link To This Post Posted: 25 May 2009 at 10:26pm
Thanks glenn :)

Nottingham based cab builder. https://www.facebook.com/HMAudio-154352667920145/?ref=bookmarks
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hmaudio View Drop Down
Old Croc
Old Croc


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Post Options Post Options   Thanks (0) Thanks(0)   Quote hmaudio Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 2009 at 9:46pm
Finnished :)
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Jake_Fielder View Drop Down
Old Croc
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Joined: 08 October 2007
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jake_Fielder Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 2009 at 9:50pm
Good stuff! what does it sound like, and are you going to check the tuning???
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hmaudio View Drop Down
Old Croc
Old Croc


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Post Options Post Options   Thanks (0) Thanks(0)   Quote hmaudio Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 2009 at 12:34am
sounds nice and punchy, but i found if i added insulation it does sound alot deeper and better. had a go at tuning it by sliding a beice of wood up an down the ports but it didnt sound that mutch different to me so i left it.

hopefully going to build 3 more :)

Thanks
Nottingham based cab builder. https://www.facebook.com/HMAudio-154352667920145/?ref=bookmarks
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