Tapped Horn for B&C 15NW100 - diyAudio
Go Back   Home > Forums > Loudspeakers > Subwoofers
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 2nd January 2017, 05:41 PM   #1
diyAudio Member
 
Join Date: Nov 2016
Question Tapped Horn for B&C 15NW100

Hello,

we have 12 B&C 15NW100 here.
What's the best choice for a Tapped Horn Design for this driver from 40Hz to 120Hz?

Best regards
  Reply With Quote
Old 2nd January 2017, 06:46 PM   #2
diyAudio Member
 
Join Date: Jan 2005
Location: Rotterdam, NL
The THAM15.

Johan
__________________
Impossibilities we do immediatly, miracles take slightly longer.
  Reply With Quote
Old 2nd January 2017, 07:17 PM   #3
GM is offline GM  United States
diyAudio Member
 
GM's Avatar
 
Join Date: Jun 2003
Location: Chamblee, Ga.
Greets!

'Best'? Don't know, but here's a very simple ~153 L [net] one using published specs that if all [12] were tightly stacked with only 500 W ea. will in theory put out around 145 dB/m setting on the ground or massive stage:

GM
Attached Files
File Type: txt BC15NW100TH.txt (953 Bytes, 91 views)
__________________
Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
  Reply With Quote
Old 2nd January 2017, 09:47 PM   #4
diyAudio Member
 
Join Date: Dec 2008
TH 15" flat response to 35Hz (-3dB) - By LORDSANSUI
  Reply With Quote
Old 5th January 2017, 04:09 PM   #5
diyAudio Member
 
Join Date: Nov 2016
Quote:
Originally Posted by GM View Post
Greets!

'Best'? Don't know, but here's a very simple ~153 L [net] one using published specs that if all [12] were tightly stacked with only 500 W ea. will in theory put out around 145 dB/m setting on the ground or massive stage:

GM
What i must do with the .txt file*
  Reply With Quote
Old 5th January 2017, 05:41 PM   #6
epa is offline epa  Netherlands
diyAudio Member
 
Join Date: Apr 2010
Location: amsterdam
import the file in hornresp
__________________
one good thing about music ,when it hit you feel no pain.
so hit me with music
. hr driver db
  Reply With Quote
Old 6th January 2017, 02:55 PM   #7
diyAudio Member
 
USRFobiwan's Avatar
 
Join Date: Oct 2014
Location: Haarlem
Here is the sim in the default THAM15:

2.83 (1w)
BC15NW100-1w.JPG

80v (800w) @ xmax
BC15NW100-800w.JPG

Seems to sim ok, but 40Hz is hard to get with the Tham design.

I also load in the sim from GM, but I do not like the result.

Last edited by USRFobiwan; 6th January 2017 at 02:58 PM.
  Reply With Quote
Old 6th January 2017, 10:13 PM   #8
tb46 is offline tb46  United States
diyAudio Member
 
Join Date: Jan 2006
Location: Texas
Hi USRFobiwan,

Post #7: "...40Hz is hard to get with the Tham design.

When you add the bottom segment as Forsman did you can get there:

Thorn F1 - a learning experiance with Tapped Horn

I drew one up W=23-7/8" D=23-7/8" H=31-7/8", and it looks fine w/ the B&C 15NW100. I can post the drawing if there is interest, it is larger than the original THAM15.

Regards,
Attached Images
File Type: png THAM15_Forsman_Mod_2_15NW100_Input.PNG (17.2 KB, 294 views)
File Type: png THAM15_Forsman_Mod_2_15NW100_Schematic.PNG (13.0 KB, 294 views)
File Type: png THAM15_Forsman_Mod_2_15NW100_SPL.PNG (30.7 KB, 291 views)
__________________
Oliver
  Reply With Quote
Old 6th January 2017, 10:28 PM   #9
diyAudio Member
 
Join Date: Nov 2016
Hi tb46,

a drawing was very interesting for me.

Can you post it here?

Best regards
  Reply With Quote
Old 6th January 2017, 11:04 PM   #10
tb46 is offline tb46  United States
diyAudio Member
 
Join Date: Jan 2006
Location: Texas
Hi martina,

No problem. It was originally designed for a different driver, but the 15NW100 should work in it too. I can make additional drawings for internal dimensions, etc.

Regards,
Attached Files
File Type: pdf THAM15_Forsman_Mod_2.pdf (26.5 KB, 89 views)
__________________
Oliver
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Tapped horn for B&C 15TBX100 th115 style Dref Subwoofers 14 13th August 2014 12:36 AM
FS: 1KW tapped horn sub and 700W amp andyboy Swap Meet 0 17th March 2012 01:16 PM
Can a Tapped Horn have a negative taper within the horn path? BP1Fanatic Subwoofers 6 13th February 2010 06:04 AM
Lab 12 Tapped Horn, Ron's Austin II, T-Horn, CNC Photo Background layertone Subwoofers 15 23rd January 2010 05:12 AM
Ron's Austin II, old T-Horn, Lab12 Tapped horn, CNC Photo Background layertone Full Range 2 23rd December 2009 12:51 AM


New To Site? Need Help?

All times are GMT. The time now is 01:15 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2
Wiki