Tang Band 2145 in action

Magnesium is a metal, it's refined from magnesia in it's mineral form, being oxidised, as it's very reactive.

Any Brits in here might recall that it's use in British battleships came into play during the Falklands battle (I wouldn't call it a war, Argentina didn't stand a chance). Anyway, the magnesium on the battleships caught fire, as the magnesium burnt very hot.

To me, the big takeaway from this discussion is the importance of using drivers that permit the crossover points being moved out of the heart of the midrange.  I've heard one way, two way and three-way systems utilizing wide range drivers that permit this, and when properly implemented, such systems sound terrific.  My local, Washington DC audio shop, Deja Vu Audio, builds custom systems based on this principle.  They have one and two way systems using full range dynamic drivers. 

But for my taste, it is their horn-based systems that are the best, and they employ horn/compression drivers to handle the bulk of the frequency range.  Some of their systems are crossed over as low as 200 hz to the woofers and around 10,000 hz to the tweeters; that is a wide range being handled by the midrange drivers.  Horns that can go as low as 200 Hz are giants, but, Deja Vu has some folded horns that are reasonably compact and can work as low as 500 Hz.

The BIG plus of both the horn and wide-range dynamic driver systems is that they are all very efficient, which means they can be driven by low-powered tube amps, another specialty of Deja Vu Audio (they make their own low-powered tube amps or sell brands that specialize in tube amps--Audio Note, Synthesis, Conrad Johnson).

Everyone who doubts that a wide-band driver can sound good even as a single driver system should make the effort to hear some of the systems made by Charney Audio, Voxativ and Cube Audio; they might change your mind.

Everyone who doubts that a wide-band driver can sound good even as a single driver system should make the effort to hear some of the systems made by Charney Audio, Voxativ and Cube Audio; they might change your mind.

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I have no doubt a  singler HIGH TECH MODERN  WBers could very well be acceptable, and enjoyable, in my classical muisc.
For those seeking the huge soundstage LOUDspaekers of the 70's, 80s and through even today's times,, may not likea  single,, or lets say a  single WBer at 100db spl,, may not be what they are looking for.
So they go Wilson,  Dali, Vov Schwiezgert (sp error) at $100k with Accuton drivers.
There are at least 100 top selling speakers on the market. Buyers bonaza, Flea markat Galore.

We WBer cultists, once we hear a good WBer , we never can do back to xover low sensitivity types.
WE lived with them for decades, Now in our elder age, we are more bold, daring, inquisitive and a  bit smarter I should say, 
WBers is what we 've always been looking for, but never knew it.
The multi driver WBer system seems  a  more full rich experience vs a  single speaker.
But I don't know , maybe Cube with their strange 2 and 3 whizzer cones have something special also AER's big priced. speakers.

I put together a  Frankenstein and have no interest  looking futher.
I plan to add a DavidLouis Be witha  huge Nd magnet.

My classical music does not require anymore than what I have.
But for others who prefer a  lab to  put togethera  multi driver WBer system, sure I think they are not only making the wisest choice, but really the only choice.

Seas and Accuton's high tech midranges will not compete with a  WBers midrange.'
Nice  drivers, but sorry
~~No Cigar

Yup, you’re smarter alright…

"I will not be posting much any more".

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Well if saying the same thing over and over, helps you, GOOD!!

Some folks wake up everyday, saying the same thing they did the day before. I call them Preachers.

Some folks remember what they said the day before and I call them TEACHERS.

You've said the same thing over and over.

You're the official POPE of WBer Wide Band..

Pope Mozartfan of the Wide band..

Amen