Tang Band W5-1685 BIB?

geepee · 22nd May 2010, 07:50 AM

Can someone talk me out of building these please. I have had my eye on these drivers for a while.

Tang Band W5-1685 BIB with a helper tweeter crossed at 9K ish..

http://www.parts-express.com/pdf/264-873s.pdf

mikje · 14th August 2010, 03:21 PM

I wouldn't be the guy to talk you out of this, so I have to ask: did you build them? If so, how do they sound.
I've built two sets of BiBs, a set of fonkens and a set of half changs; I like the less ordinary builds. My "prettiest" BiBs don't sound good, so I'm thinking I'd like to pull the driver, a Tang Band W4-657SH, and replace it with a Mark Audio CHR-70 (the BiBs are pretty close in size according to Zilla's calculator).
Mike

Godzilla · 15th August 2010, 05:52 PM

You will need room inside the BIB for the magnet on that TB. Measure twice and build once. What kind of tweeter are you thinking about using?

Godzilla

mikje · 06:48 PM

Quote:

Originally Posted by Godzilla

You will need room inside the BIB for the magnet on that TB. Measure twice and build once. What kind of tweeter are you thinking about using?

Godzilla

Hi Jeff,
Thanks for the info. I was thinking I won't need a tweeter, but if I do, I'll probably add a piezo and play around with its placement. Any suggestions? Have you heard anything about anyone using CHR 70 in a BiB?
Thanks,
Mike

Scottmoose · 15th August 2010, 10:21 PM

You'll certainly need a tweeter on the TB, above all for off-axis performance; that massive surround will make the off-axis power-response dodgy at best, especially in the HF; in practice I suspect they'll be falling off a cliff above 10KHz or so. TB themselves class it as a midbass, not an FR, although you should be able to cross higher than most midbass units, which is a good thing.

geepee · 16th August 2010, 12:00 AM

Did not end up building these. My SO and I moved to a new house with polished hardwood floors in the living room. So now i have been advised that everything that looks like a speaker or a T.V. needs to be up off the floor and wall mounted. Apparently she likes looking at as much of the pretty shiny floor as possible. I noticed that Dan Archer (Mark Audio Dealer for Australia..) now has stock of the Gen II chr70's so it looks like i will be doing a full set (7) of sealed wall mounts + subs using those. Still waiting for an authorised funds release for the project however...

G.

14th August 2010, 03:21 PM	#2
mikje Soakin' up the Sound! diyAudio Member Join Date: Feb 2008 Location: Bismarck, ND	I wouldn't be the guy to talk you out of this, so I have to ask: did you build them? If so, how do they sound. I've built two sets of BiBs, a set of fonkens and a set of half changs; I like the less ordinary builds. My "prettiest" BiBs don't sound good, so I'm thinking I'd like to pull the driver, a Tang Band W4-657SH, and replace it with a Mark Audio CHR-70 (the BiBs are pretty close in size according to Zilla's calculator). Mike __________________ Marantz PM8003 amp, HRT Music Streamer II DAC, Squeezebox Touch, DIY Krystals

15th August 2010, 05:52 PM	#3
Godzilla diyAudio Member Join Date: Nov 2005 Location: New York	You will need room inside the BIB for the magnet on that TB. Measure twice and build once. What kind of tweeter are you thinking about using? Godzilla __________________ www.zillaaudio.com/bib/bib.asp www.ZillaAudio.com

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15th August 2010, 10:21 PM	#5
Scottmoose diyAudio Member Join Date: Mar 2005 Location: UK	You'll certainly need a tweeter on the TB, above all for off-axis performance; that massive surround will make the off-axis power-response dodgy at best, especially in the HF; in practice I suspect they'll be falling off a cliff above 10KHz or so. TB themselves class it as a midbass, not an FR, although you should be able to cross higher than most midbass units, which is a good thing.

16th August 2010, 12:00 AM	#6
geepee diyAudio Member Join Date: Aug 2009 Location: Melbourne South East	Did not end up building these. My SO and I moved to a new house with polished hardwood floors in the living room. So now i have been advised that everything that looks like a speaker or a T.V. needs to be up off the floor and wall mounted. Apparently she likes looking at as much of the pretty shiny floor as possible. I noticed that Dan Archer (Mark Audio Dealer for Australia..) now has stock of the Gen II chr70's so it looks like i will be doing a full set (7) of sealed wall mounts + subs using those. Still waiting for an authorised funds release for the project however... G.

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