Tang Band W5-704D 5-1/4" Woofer-- has anybody used this? - Page 2 - diyAudio
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Old 25th June 2008, 07:34 PM   #11
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There is also a dipole called the Aethers that uses this woofer.
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Old 25th June 2008, 07:47 PM   #12
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Quote:
Originally posted by dlneubec
Here is a ML-TQWT project using the W5-704D in a 2-way.
Dou's
It'd be interesting to hear what the gang here thinks of the concept.

I've always liked the wave guide idea.
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Old 25th June 2008, 07:47 PM   #13
Jay_WJ is offline Jay_WJ  United States
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Default Re: Tang Band W5-704D 5-1/4" Woofer-- has anybody used this?

Quote:
Originally posted by loninappleton
Has anybody used this? It has apparently been around for a while but only recently discussed for using in FR setups.
I modeled a 2.5-way design with three different tweeter options, posted here:

Great D.O.T.D. @ P.E. TB 5.25 woofer...

The designs are in posts #8, #16, and #48.

I used Zaph's measurement of its old shielded version (W5-704S), but as I mentioned in post #61, according to Zaph's new measurement, there's virtually no difference between the old S and new non-shielded D versions in their FR and impedance responses. With tweaking only the tweeter padding resistor by ear, you'll be good to go.
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Old 26th June 2008, 05:21 AM   #14
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Quote:
Originally posted by augerpro
There is also a dipole called the Aethers that uses this woofer.
'Tis true. I can't speak for its bass response, since I only used it as an open-back mid, but for that purpose, it's quite good. As mentioned before, it needs very few XO parts.

But whatever you do with it, DO NOT USE TANG BAND'S MEASUREMENTS. They are awful, and will totally lead you astray. I'm sure Zaph's measurements would work, though. Or, you could build a box and measure them yourself

Here are the Aethers
http://undefinition.googlepages.com/diy-aethers

-Paul
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Old 26th June 2008, 02:39 PM   #15
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Quote:
Originally posted by Undefinition

'Tis true. I can't speak for its bass response, since I only used it as an open-back mid, but for that purpose, it's quite good. As mentioned before, it needs very few XO parts.

But whatever you do with it, DO NOT USE TANG BAND'S MEASUREMENTS. They are awful, and will totally lead you astray. I'm sure Zaph's measurements would work, though. Or, you could build a box and measure them yourself

Here are the Aethers
http://undefinition.googlepages.com/diy-aethers

-Paul

I enjoyed the write up very much and wisht I was closer to
some of the live events.

I will try to find Zaphs' measures but if you had them handy, maybe
GM would have a different sim for me.
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Old 26th June 2008, 02:58 PM   #16
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I found the Zaph write up of the Tangband.

Did not see any specs though. Would these vary from what
is published as the T/S parameters? Or are we talking just
the microphone measurments of response.?

I may be mixing apples and oranges.
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Old 26th June 2008, 03:19 PM   #17
sreten is offline sreten  United Kingdom
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Click the image to open in full size.

Click the image to open in full size.

from http://www.zaphaudio.com/5.5test/compare.html

/sreten.
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Old 26th June 2008, 03:41 PM   #18
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I never could find anything on Zaph.

He only lives 30 miles away it's almost easier to call him.

I see my topic got moved. This does not bode well for a full range project (which was what I intended.)

Oh well, no hardware bought yet and just fiddling with scraps.

But from what the Aether piece gave, it indicated that the TB only needed reinforcement from below. With one of GM's MLTL designs
I don't consider that a real problem. There's always a BIB sitting in the
corner.

What is interesting with these OB designs is that they are moving toward a simpler rather than more complex build process.

I still prefer the single driver setup with no electronics.

Zaph does not see this as a true option but I've found the MLTL to be the most satisfying of builds.
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Old 26th June 2008, 05:25 PM   #19
GM is offline GM  United States
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Quote:
Originally posted by loninappleton

Would these vary from what is published as the T/S parameters?
Considerably, though the nature of MLTL's being what they are, about all they really mean is that less BSC is required. Backed up against a wall though, they would probably need a longer vent, but then I consider fine tuning the vent in-room is almost always a part of DIY speaker building:

GM
Attached Images
File Type: gif tb w5-704d vb=vas, fb=fs mltl - measured.gif (6.7 KB, 432 views)
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Old 26th June 2008, 05:39 PM   #20
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Quote:
Originally posted by GM


Considerably, though the nature of MLTL's being what they are, about all they really mean is that less BSC is required. Backed up against a wall though, they would probably need a longer vent, but then I consider fine tuning the vent in-room is almost always a part of DIY speaker building:

GM
Cool. Well I might order one then. Far as tuning, I have lots of PVC pipe around yet. I like putting them int he bottom.

What kind of BSC would be needed on a wide baffle front with
rounded edges? That's the build style I have going: quarter round
on the face.

As stated, I'm cobbling things together from found objects and cutoffs.
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