Tang Band W5-704D 5-1/4" Woofer-- has anybody used this? - Page 4 - diyAudio
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Old 30th July 2008, 05:07 AM   #31
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Quote:
Originally posted by GM
The way to search drivers is to break it up. IOW I inputted W5 in the 'Search for items including these words:' box and 704D in the 'and optionally containing these words:' box, then looked in any thread from the 'fullrange' forum and found it in the BIB thread: http://www.diyaudio.com/forums/showt...00#post1542000

Sometimes you have to get creative to overcome some code writer's need to express himself through what I perceive is obtuse programming.

A $77 TB?! It's going to have to be pretty special to make it worth $54/pr. more than the CSS FR125ST IMO.

GM
Ok. But I don't think I'll ever get search right. I don't think of the
right keywords.

But while we're at it here, the new item from TB is a four inch and very flat with a different style cone membrane. What came to mind was it's application for a compression chamber BIB that they've been talking about: a driver that takes up considerably less space.

I'll go dig up the link with the numbers and such....

http://www.tb-speaker.com/detail/1230_04/w4-1757s.htm

Costing is at PE and the item is not due until 8/26.


That's a full range but nobody has talked about it. I am not partial Tangband but I'd like to work with a 5 in. and this woofer item in this thread is at a good price point.

Maybe would fiddle with one of those button tweeters if there was some how to for that.

On the Mathcad front, I did get the program again and MJK sent me a sample file. I didn't get it or how to work with variables. Just not skilled enough. Like Dirty Harry says, "A man has to know his limitations."
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Old 30th July 2008, 04:12 PM   #32
GM is offline GM  United States
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For sure you'll never get the 'search' right with your current attitude. Like I said, you have to break up hyphenated words, number systems.

WRT using MJK's worksheets (WS), they do indeed look intimidating, I freaked out the first time I saw them with (all?) the underlying 'Greek' (to me) math for the fields on the early freeware versions before he was forced to protect it all from the rip-off 'scumbags', but not being 'smart' enough to not try different things to see what happens it didn't take long to realize that to input driver, etc., data all you need to do is highlight what you want to change and type/enter the new data and if you ever bother to get a licensed copy of MathCad you can make copies of them to easily customize them to be more time efficient/'friendly' to you, such as changing field descriptions or how you input or even calculate something. Its tutorials are truly impressive, even severely math challenged me has been able to program some simple formulas to change how some things are calculated, such as the port's area on a couple of the WSs. Of course the originals aren't changed, I save it as something else, then when it's done I save it again as a master just in case I totally FUBAR the one I actually use.

I mean if you screw something up and can't figure out how to fix it or wind up making it worse all you have to do is close the WS without saving it, then open it back up to start fresh all over again, though of course any other changes you may have made are lost also whether it's the demo or a licensed version.

Anyway, there's enough folks on the forums far more familiar with MathCad than me and I imagine most (all?) will answer any Qs you may have, so don't let the various WS's 'strangeness' keep you from effectively using them. They're so simple to use once the 'lightbulb' turns on you'll be 'kicking' yourself for ever being intimidated by them, or at least me and some others I know about did.

Also, with the demo I guess you know you can't save any sim you do per se, but you can save it in its entirety into a WORD (and I assume an Open Office doc) to refer back to if you think you may want/need it in the future.

WRT the TB, based solely on just its published data, I'm going to stick with the FR125S preference for now since its FR is at least as smooth with a lower Fs and a ton more (relatively speaking) usable low distortion excursion, though for low power you'll probably prefer a more efficient driver. FWIW, me and my buddy Buzz who currently has them in a ~48" MLTL system I originally built for him using much tweaked 40-1354s prefer a low Q notch centered at 2 kHz to offset the typical vocals emphasis ('shout') of most CDs.

GM
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Old 30th July 2008, 05:35 PM   #33
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Well the practice file I have is unrelated-- just a sample to fool with.


As to search I don't mean to be baulky about it, I've just seen a lot of searches come up empty and so avoid it.


And yes I am intimidated by CAD prog.s

I have seen the CSS 125 etc. for a long time but have also seen
mixed reports on it.

For an experimental setup the TB comes in at a good rate but
OTOH I don't want to have it as a paperweight either.

Those 50 centers are sounding better and better. I may stick one in the double baffle BIB.
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