Who has experience with a 3" driver in a BIB?

Brisso57 · 19th October 2008, 08:53 AM

I see on the zillaspeak site there is a design for a Tang Band 3" (W3-871S) driver:

www.zillaspeak.com/BIB-Tangband.asp

I'm considering trying a pair of vintage 3" alnico's in a BIB cabinet.

What other 3" drivers have been used? and with what degree of success?

Can anyone comment?

Thanks

Doug

tpakkanen · 19th October 2008, 12:08 PM

Hello,

I built a BiB for my Hi-Vi B3n drivers this summer, just to see how BiB performs. I have to say I was surprised by the overall performance. Even though B3N sounds little bit metallic in the highs, the lower end was solid, for a Fs 70hz driver. If I recall right I used BiB calculator from Zillaspeak website.

Give it a shot, you won't be dissapointed.

--
Tuomas

tpakkanen · 19th October 2008, 12:23 PM

Here it is, posing. Sexy prototype...

Brisso57 · 19th October 2008, 12:27 PM

Quote:

Originally posted by tpakkanen
Here it is, posing. Sexy prototype...

Jeez! The behemoth beside it is the size of a fridge!

Meanwhile, after drawing a side view on some mdf sheet, I've hit a small design snag ...
The alnico driver I had in mind is very deep. To accommodate it I'll need to have a quite thick suprabaffle.

Hmmm.

Doug

GM · 19th October 2008, 02:28 PM

Even if you mount it on the side?

GM

gychang · 19th October 2008, 02:50 PM

Quote:

Originally posted by Brisso57
I see on the zillaspeak site there is a design for a Tang Band 3" (W3-871S) driver:

Can anyone comment?

Thanks

Doug

I have built a pair of BIB from the W3-871S. I built the full scale (non-folded version per Scottmoose's suggestion).

The sound is not "massive" bass but surprisingly good. It is now sitting and being used daily by a relative, and she loves the uniqueness of style and color.

gychang

kristleifur · 19th October 2008, 03:16 PM

Great thread

– Can anyone compare a 3" BiB to Needles, TABAQs or other similar 3" TL designs?

gychang · 19th October 2008, 03:51 PM

Quote:

Originally posted by kristleifur
Great thread

– Can anyone compare a 3" BiB to Needles, TABAQs or other similar 3" TL designs?

I have built Needles with the same driver, with the BSC circuit. Unfortunately I did not have chance to compare them side to side.

Design and size suggests BIB should have had more extension of bass... For general music (non rock) should suffice, for HT use subwoofer is needed for both.

gychang

kristleifur · 19th October 2008, 03:59 PM

Beautiful needles, gychang

I found driver excursion to be a limiting factor in the Needles, when playing bass notes.
My main question is this: Would the bib have more or less excursion limitations?

I.e. does the BIB design allow the driver to "spend" less excursion to get the same amount of bass, at around, I dunno, maybe 80Hz and down? (Wherever it is that the Needle is most excursion-limited.)

Brisso57 · 19th October 2008, 08:07 PM

Quote:

Originally posted by GM
Even if you mount it on the side?

GM

The driver is approx 3" deep for a 3" diameter!
I don't have any TS data yet, but allowing that the dimensions may be similar to the TB, say 5" x 4.5", either orientation is a "tight fit".
??

cheers
Doug

PS Can you explain your comment about needing "floor loading"? (on the BIB site) The cabinet is ~34" high and top-vented.
??

19th October 2008, 08:53 AM	#1
Brisso57 diyAudio Member Join Date: Sep 2005 Location: the leafy west of Brisbane	Who has experience with a 3" driver in a BIB? I see on the zillaspeak site there is a design for a Tang Band 3" (W3-871S) driver: www.zillaspeak.com/BIB-Tangband.asp I'm considering trying a pair of vintage 3" alnico's in a BIB cabinet. What other 3" drivers have been used? and with what degree of success? Can anyone comment? Thanks Doug __________________ A speaker-builder's parable: "That burned down, fell over, then sank into the swamp. But the fourth one stayed up. And that's what you're going to get, Lad, the strongest castle of all."

19th October 2008, 02:28 PM	#5
GM diyAudio Member Join Date: Jun 2003 Location: Chamblee, Ga.	Even if you mount it on the side? GM __________________ Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

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19th October 2008, 12:08 PM	#2
tpakkanen diyAudio Member Join Date: Nov 2004 Location: Finland	Hello, I built a BiB for my Hi-Vi B3n drivers this summer, just to see how BiB performs. I have to say I was surprised by the overall performance. Even though B3N sounds little bit metallic in the highs, the lower end was solid, for a Fs 70hz driver. If I recall right I used BiB calculator from Zillaspeak website. Give it a shot, you won't be dissapointed. -- Tuomas

19th October 2008, 03:16 PM	#7
kristleifur diyAudio Member Join Date: Apr 2006 Location: Reykjavík	Great thread – Can anyone compare a 3" BiB to Needles, TABAQs or other similar 3" TL designs?

19th October 2008, 03:59 PM	#9
kristleifur diyAudio Member Join Date: Apr 2006 Location: Reykjavík	Beautiful needles, gychang I found driver excursion to be a limiting factor in the Needles, when playing bass notes. My main question is this: Would the bib have more or less excursion limitations? I.e. does the BIB design allow the driver to "spend" less excursion to get the same amount of bass, at around, I dunno, maybe 80Hz and down? (Wherever it is that the Needle is most excursion-limited.)

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