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Hd15 - my versioin

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bee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2013 at 11:20pm
Lev the info I have given is guide, only building one can confirm how high the usable range will be, your sim is about 4db down on the ones I built and with a bit more tweaking yours will play lower.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 04 August 2013 at 10:45pm
just simmed your version lev and overlayed a mk 2 re-design.  This is the best I could come up with with out a total re-design.....
 
light gray lev version
dark gray my rework....


Edited by bee - 04 August 2013 at 10:58pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 12:29am
Interesting.

Is that sim based on 1PI or 2PI?

Was assuming (maybe incorrectly), modeling 6x cabs above subs, would be 2PI, 3S 2P

Did you also sim with different driver?

Difficult to tell without HR input data.


Edited by levyte357- - 05 August 2013 at 1:50am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark James Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 2:55am
Nope 4pi and 3x2
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 8:29am
Same driver info on both sims, 6 cabs 2 pi on both sims...

Edited by bee - 05 August 2013 at 9:51am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Teunos Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 9:25am
So what changes did you make, and does it affect overall volume? think it's about time to make the slight alterations to the original and implement them in the sketchup model.

Also time to consider practicalities. When i did my BPH's, i made all the internal panels 400mm long, so that the waste from  sheet of 8x4 (1220*2440 or 125x250 whatever floats your boat) would be minimal. You cab is internal height 42,4 which does not allow 3 panels alongisde each other.

And that post has to be 2 pi, as  4pi would result in roughly 105db.


Edited by Teunos - 05 August 2013 at 9:26am
Best regards,
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 9:52am
light gray original lev rework
dark gray bees rework of the rework
 
same driver for both designs.
cabinet size is the same for both versions.....


Edited by bee - 05 August 2013 at 10:12am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 10:12am
 
fane sovereign 15-500
light gray original lev rework  4pi stack of 6
dark gray bees rework of the rework 4pi stack of 6
 
same driver for both designs, based on levs driver choice.
cabinet size is the same for both versions.....
 
good from  70hz to 200hz


Edited by bee - 05 August 2013 at 10:13am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 10:23am
 
fane sovereign 15-500
light gray hd15  4pi stack of 6
dark gray bees rework of the rework 4pi stack of 6
 
same driver for both designs, based on levs driver choice.
cabinet size is the same for both versions.....
 
good from  70hz to 200hz
https://www.elements-audio.com
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 12:39pm
Originally posted by Teunos Teunos wrote:

So what changes did you make, and does it affect overall volume? think it's about time to make the slight alterations to the original and implement them in the sketchup model.


Is it possible to slightly improve on low end, without comprising the 180-200hz upper response?

I guess if cab is usable from 60hz upwards @ 500W-650W, would be more usable than HD15 for some SP'ers.

For me, the upper end is most important.

Originally posted by Teunos Teunos wrote:


Also time to consider practicalities. When i did my BPH's, i made all the internal panels 400mm long, so that the waste from  sheet of 8x4 (1220*2440 or 125x250 whatever floats your boat) would be minimal. You cab is internal height 42,4 which does not allow 3 panels alongisde each other.


Would 400mm internal allow following drivers?

Fane Sov Pro 15-500


PD158


B&C 15PLB76


18sound 15W930



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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 12:55pm
all drivers you listed will fit....
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 August 2013 at 12:56pm
yes you could get this cab to play lower, without loosing the top end.... but the plan would be changed and be more like the bsw-k115 Wink.....
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