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Do you know this Project from Beyma ?

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KenTech View Drop Down
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    Posted: 30 June 2009 at 9:47pm
Hi everyone.
I;ve discovered a project from Beyma. SB15-1
http://www.prescomaudio.com/webadmin/documents/15p80nd_subbass.pdf
But, i don't know this data...

I want to build 2 cabs. Those missing data are stoping me to do that. Can u help me ? anybody...
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Ibex View Drop Down
Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ibex Quote  Post ReplyReply Direct Link To This Post Posted: 30 June 2009 at 10:01pm
Maybe this could help you...

Beyma SB-15

Do you have an equipment to measure the cabs when you have finished them? Would be interesting to me!
THX!
greez
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KenTech View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KenTech Quote  Post ReplyReply Direct Link To This Post Posted: 30 June 2009 at 11:02pm
thanx a lot mate !! to measure what ? Frecvency response ? weight ? dimensions ? what ?
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space-face View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote space-face Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 2:28am
Looks good not really seen anything like it before. Would be interested in hearing a few. It's like a tapped horn but with a compression chamber... I guess that would make it act more like a scoop but the driver is way down the horn mouth. hmmm

Edited by space-face - 01 July 2009 at 2:39am
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Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ibex Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 6:56am
Originally posted by space-face space-face wrote:

Looks good not really seen anything like it before. Would be interested in hearing a few. It's like a tapped horn but with a compression chamber... I guess that would make it act more like a scoop but the driver is way down the horn mouth. hmmm
 
By now there exist a lot of thess design. Most name it bass-hybrid, some also say ARLS (advanced reflex tuned sub)... the design works more like a reflex cab, because of the relativ big chamber, but it also bears resemblance to a tapped horn, which can be recognized with its two peaks in the frequency response, cause the driver is mounted inside the hornloaded reflex port. this design has a better effiency than a conventional reflex loaded one.
 
Beyma SB15-1 vs. SB18-1 - SPL
black = Beyma SB18-1 - 18P1200Nd
grey = Beyma SB15-1 - 15P1200Nd
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Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ibex Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 6:59am
Originally posted by KenTech KenTech wrote:

thanx a lot mate !! to measure what ? Frecvency response ? weight ? dimensions ? what ?
 
chum, the frequency response! wich driver will you use in this cab?
greez
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KenTech Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 8:13am
i'm thinking of Paudio's SD15 if i have the money i need. If i don't, maybe i will try SM115K from beyma, or Selenium 15PW6.
does anyone have the database for Horn resp  for this Enclosure ?
10x
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Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ibex Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 8:20am
Originally posted by KenTech KenTech wrote:

i'm thinking of Paudio's SD15 if i have the money i need. If i don't, maybe i will try SM115K from beyma, or Selenium 15PW6.
does anyone have the database for Horn resp  for this Enclosure ?
10x
 
This is the HR input for 1 Beyma SB15 cab loaded with Beyma 15P1200Nd in half space...
Beyma SB15-1 - Hornresponse Input Data
cheers
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KenTech View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KenTech Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 8:23am
thanx a lot !!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KenTech Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 8:48am
here. I;ve simulated Beyma SM115K and Paudio SD15
Blak: SD15
Grey: Sm115K
This doesn't look like the simulation above, where is simulated a SB15-1 Cab and a SB18-1 Cab....
Why ?

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bitzo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bitzo Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 8:49am
this design don't have any braces but it's also so compact. Someone have ever heard/built this cab?
 Should be suitable for kick section over scoops? Before someone says go for hd15/hd18, I hate access port Angry.
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KenTech View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KenTech Quote  Post ReplyReply Direct Link To This Post Posted: 01 July 2009 at 8:49am
Originally posted by Ibex Ibex wrote:

Originally posted by space-face space-face wrote:

 
Beyma SB15-1 vs. SB18-1 - SPL
black = Beyma SB18-1 - 18P1200Nd
grey = Beyma SB15-1 - 15P1200Nd

here. I;ve simulated Beyma SM115K and Paudio SD15
Blak: SD15
Grey: Sm115K
This doesn't look like the simulation above, where is simulated a SB15-1 Cab and a SB18-1 Cab....
Why ?



Edited by KenTech - 01 July 2009 at 8:51am
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