Cyburg's Needle for Bass - diyAudio
Go Back   Home > Forums > Loudspeakers > Multi-Way

Multi-Way Conventional loudspeakers with crossovers

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 February 2006, 11:25 PM   #1
Relax is offline Relax  United States
diyAudio Member
 
Join Date: Jun 2005
Location: Dayton
Default Cyburg's Needle for Bass

I am looking to build a small enclosure similar, or exactly like, the Cyburg needle. I want the same tall skinny not-so-deep box witha single driver in it. I want to build two for musical bass.

What are your thoughts, suggestions?

I want to use them to compliment the sealed TB W3-871 lower end. Hopefully with the .10 cubic foot sealed enclosure on tope, resulting in a two driver facing me arrangement with healthy bass down to 40 hz or so for music.

Maybe just a good cheap woofer in the cyburg needle?

I am looking to spend around 20 for woofers. and mayeb another 20 for XO.

Is this realistic?

I noticed partsexpress is sellign Brauvox woofers for like 4 dollars, perhaps two in dipole arrangement int he needle?
  Reply With Quote
Old 3rd February 2006, 04:06 AM   #2
Relax is offline Relax  United States
diyAudio Member
 
Join Date: Jun 2005
Location: Dayton
perhaps this woofer in a similar sized TL:

http://www.partsexpress.com/pe/showd...number=290-301

or two of these:

http://www.partsexpress.com/pe/showd...number=269-680

just a similar sized TL with cheaper drivers is what I am looking for.

What programs could I used to design my own TL?
  Reply With Quote
Old 4th February 2006, 12:35 AM   #3
Wizard of Kelts
diyAudio Moderator
 
Join Date: Sep 2001
Location: Connecticut, The Nutmeg State
Do you have a link to a page with this Cyburg needle? Jim Read's page does not seem to be working, and when I go to the cached version the picutres aren't there.

This Cyburg needle is a pyramid, right? If not, what shape is it in?

I can model something for you using Martin J King's TQWT pages, but I unfamiliar with this Cyburg needle and need to make sure what you want.
__________________
"A friend will help you move. A really good friend will help you move a body."
-Anonymous
  Reply With Quote
Old 4th February 2006, 12:55 AM   #4
Wizard of Kelts
diyAudio Moderator
 
Join Date: Sep 2001
Location: Connecticut, The Nutmeg State
There is a thread on building the Cyburg needle, by the original builder himself, Berndt Burghard. It uses the same W3-871 that you want to use for sealed bass.

http://www.diyaudio.com/forums/showthread/t-47403.html

And here is a jpg in case that doesn't load.
http://img95.exs.cx/img95/684/cyburgsneedleeng7ie.jpg

As far as using a sub, a TL is by nature a bass enhancing device. You want to build a TL and then a sub underneath it?
__________________
"A friend will help you move. A really good friend will help you move a body."
-Anonymous
  Reply With Quote
Old 4th February 2006, 01:19 AM   #5
Relax is offline Relax  United States
diyAudio Member
 
Join Date: Jun 2005
Location: Dayton
No, i have the TangBand in the .10 cubic foot enclosure foudn easily all over the net.

I am really pleased with the sound and like it very much.

I want to build a TL for a different driver, cheap, to build then add the Tang Band ontop in the sealed enclosure. SO the hope is to get a decent looking and sounding floorstander using the TBs I already have.

I have tried the Tangband's in the Needle, which is the reason for my interest in maybe a modified needle for a different driver.

Any suggestions on a good little driver for bass in a Tl similarly sized?

I tried my best at working the Math Cad sheets, but I think I am impaired or the drivers i am using are not suited for TLs.

Are there any attractive yet cheap drivers to reienforce the low end of the TB W3-871s?

Thanks very much!
  Reply With Quote
Old 4th February 2006, 04:55 AM   #6
Wizard of Kelts
diyAudio Moderator
 
Join Date: Sep 2001
Location: Connecticut, The Nutmeg State
Okay, best as I can see, the internal dimensions of the Cyburg is 36" high by 4" wide by 6.875" deep. One half inch building material is used except for the top and bottom, which is 0.75 " thick.

The internal volume-minus the diagonal divider-is 0.57 cu ft. Or 16 liters, as you prefer.

If nobody else does a sim, I think I can look at those two drivers you asked about tomorrow and see how they would fit into the Cyburg using Martin King's software.
__________________
"A friend will help you move. A really good friend will help you move a body."
-Anonymous
  Reply With Quote
Old 4th February 2006, 05:01 AM   #7
Relax is offline Relax  United States
diyAudio Member
 
Join Date: Jun 2005
Location: Dayton
thanks very much, the brauvox ones are now sold out, and i have been told the Qts of the goldwood is much too high.

Using Qts between .3 and .5 as guideline, i found this driver:

http://www.partsexpress.com/pe/showd...number=295-330

Would this owrk well or would a different driver be better?

Thank you before you do anything though, for even considering helping me!
  Reply With Quote
Old 4th February 2006, 05:35 AM   #8
Wizard of Kelts
diyAudio Moderator
 
Join Date: Sep 2001
Location: Connecticut, The Nutmeg State
The Bravos have an Fs of 150 Hz. Don't think that is going to do it for you basswise.

You mentioned $20 for woofers. Is that each or for both woofers together?

I haven't modelled it yet, but here is a TangBand which looks like it might be dropped right into the Needle and give you something down into the 40's. About $20 per side. Want me to give that a try? http://www.partsexpress.com/pe/pshow...number=264-824
__________________
"A friend will help you move. A really good friend will help you move a body."
-Anonymous
  Reply With Quote
Old 4th February 2006, 05:52 AM   #9
Relax is offline Relax  United States
diyAudio Member
 
Join Date: Jun 2005
Location: Dayton
I was hoping to spend 20-30 tops for drivers, i kinda am just hoping to see if i can add something to fill these TB's lower end.

Plus I want the tall floorstander look with two drivers.

Would these work?

http://www.madisound.com/pdf/audax/VP130Z0.pdf

they are 14 a piece.

they daytons are 12.

SO to recap one of these 3 best price/performance:

http://www.madisound.com/pdf/audax/VP130Z0.pdf ----$14

http://www.partsexpress.com/pe/showd...number=290-302 -----$8

http://www.partsexpress.com/pe/showd...number=295-330 -----$13

I like the looks of the bottom two best(if their comes a tie...)

Thank you so much! Goodnight for me!

  Reply With Quote
Old 4th February 2006, 06:27 AM   #10
Wizard of Kelts
diyAudio Moderator
 
Join Date: Sep 2001
Location: Connecticut, The Nutmeg State
First impressions, before modelling, is that the Audax and the Dayton look pretty good and should get you down into the mid 40's somewhere.

Will model them Saturday.

Now, one question. Do you have the Needle already built? You said you tried the TangBand in the Needle already. Reason I am asking is that with the 5.25" Audax and Dayton, the Needle might have to be widened slightly. My calculations show a Needle internal width of 4" and an external width, (with 1/2" building material) of 5".
__________________
"A friend will help you move. A really good friend will help you move a body."
-Anonymous
  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
Regarding Cyburg Needles - What Is A Notch Filter? JimOfOakCreek Full Range 5 27th March 2008 11:44 AM
Will this TB driver work in the Cyburg-Needle? MPM Full Range 8 8th July 2007 09:00 PM
HELP! My Cyburg Needle turned into an upside down BIB MuaDibb Full Range 5 22nd March 2006 01:37 PM
Suitable subwoofer to match FRS 8 Cyburg's Needle stobiepole Full Range 1 22nd December 2005 10:14 AM
Tangband W3-871S in Cyburg's needles matjans Full Range 5 4th October 2005 03:11 PM


New To Site? Need Help?

All times are GMT. The time now is 06:04 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2