single driver speakers

Someone please help me out here...

I am struggling to understand

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For 2 years I would look and look, and look over DL's PS drivers on ebay,,having no clue what they were all about, But maybe they were more than something cool looking.
I finally figured out what you , back then in 2018, were *struggling** to grasp.
I;ve got the whole equation, puzzle all figured out now.
Took some experimentation, and thinking, thinking, pondering, tweaking, adding, subtracting.
I just hung on and now have all the answers.
The PS technology is from 1929, and  had some developments over the years, 
Then died away completely, Now has resurfaced as 
The New 21st C Super High Tech Speakers. 
My guess is , if the Tampa bay Audio Show has these New tech speakers, news will spread like wildfire, and you will have a wait time of months to get your order filled. These things are not mass produced. But surely worth the wait. 

FUN wore off quick for me.. I was 25 or so I'm 66 now.. I still have a SET or two around here.. Cute things.

~~~I;ll soon be 66, 
Never been, nor ever will makea   buy ona  SET, I will a  12 tube PP amp for the PS driver I intend to purchase in sept. 
maybe not ideal match, , but will have to work out as my bass speakers are 87db,. SET. won't work. 
I need slam to get the W18's to respond, And I listen to major full orch music, SET again abit anemic for my music needs. 

cd3181,708 posts05-13-2018 10:08amSingle drivers must be the future, we just need the engineering to catch up. Overnight multiways will become obsolete.

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This has been my mantra here on audiogon past few months, Single/Point Source is the Future, but the future is NOW. 
PS is The 21st Century Speaker.
Its just that the audiophile community and I fully understand why,,,has yet to awaken and grasp the new technology, The why is this.
We were all raised on going to our local audio shops, with rooms full of *speakers* We called them *loud* speakers.
Little did we know the old old technology, = Field Coil, has been scraped, for the *new* xover box things.
No wonder we would test endlessly, A/B/C , etc, using the rotary switch in the listening room, walking away abit disappointed.
The one line that did offer some high fidelity was Jensen, with horns and Field Coils. 
But of course that did not hold, away they went.
fast forward, Folks continue to this very day, June23,2021, to purchase box/xover designs with absoluetly no thought whatsoever about Point Source/Field Coils.
My guess is even IF FC's sold for $1,000, folks would continue to pass and purchase $$$$$$$$ brand X,Y,Z box/xover dinasaurs. 
Such is our world today.
No the world is  not flat. 1000 years ago  they would have thrown you in prison for lunacy.
Nice Day
The Hifi Guy
New Orleans

There are also many time and or phase "coherent" multi-driver designs out there to compete. Ohm Walsh/CLS, Thiel, Kef UniQ, Tannoy concentric driver designs, mbl, for example, are some that come to mind. I currently own both Ohm Walsh/CLS (coherent line source) and kef UniQ-based speakers (ls 50s and ls 50 metas).

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OK fair N sqaure,. 
One size does not fit all. Agree. 
Have not  lsitened to any of these  speakers you mention. 
Heard much raves  on the Tannoy Concentric. 
have no idea on the prices which is a  concern for me and many others here, considering the economy straights  of late.
So seems PS does have competeing designs.
I'll accept.
I will now take a look at some of the speakers you mention on prize, szie, weight and if YT has  some offerings.
I can tell you this 1929 FC has a  alluring stage presence.

https://www.youtube.com/watch?v=Qrqv5nOjLuw

nickolaspappas27 posts05-11-2019 12:05pmYou can’t understand what “coherent” means until you’ve heard a good single driver speaker. They have their weaknesses (like everything), but they have a naturalness and coherence that nothing else can compete with.

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Exactly,
I've been experiementing with various cheap chinese *full range/point source* drivers,
Reaction: WOWWW,.
Out came the brand new Millennium tweeters ($700 sold on ebay $300 $400+ loss in 1 month)
Now a  4 inch *full range takes its place along with a  1963 horn, combo annihilates the top of the line dome tweeter.
**weaknesses*
Maybe a tad bass shy, maybe a  tad roll off in highs, MAYBE, not sure as i've not heard the new high tech PS drivers in person.
But from some research. those *weaknesses*  can easily be forgiven , when we look at the plethora, abundant weaknesses inherent in xover/box designs. 
After hearing this cheap PS, there is no xover/box design that would eve offera  slight interest, not even Troel Gravesen's Seas/Scapspeak world class designs are of any interest whatsoever.
The only speakers that exist for me are the new high tech Point Source/Field Coils.
All others are dinasaurs. 
If I need bass, I can easily find bass, If I need highs I can easily find highs to help out a  single source speaker.
Its the mids which are the single most critical fq range which TG's designs fail in. 
Yes if you are listening Troels, your speakers are a  *wet blanket* vs the new high tech PS/FC designs. 
Will Scanspeak/Seas ever come around to accepting the new high tech?
Doubt it, Both are old school, not in step with the modern world. 
Ask yourself, are you in the old world technology or are you willing to enter into The New 21st C Speaker Experience.
This is what every audiophile should ask themselves. 
The Hifi Guy
New Orleans

11,267 views
40 posts = proves my point
Folks are completely unaware, _______, of this new 21st C technology that has been around since 1929.
All I can say is
Unreal.
The Hifi Guy

larryi2,527 posts05-22-2018 1:38pm

I like full-range drivers, but, I particularly like them as extended range drivers in multi-driver systems. The Jensen/ERPI M-10 field-coil driver with a tweeter, as an example, makes quite an extraordinary system. I also heard a two-way system using the Japanese GIP-4165 field-coil driver (Western Electric clone) and that was killer good too.

As for true full range, single driver systems, the best I've heard is probably the Charney with the Voxativ driver. It delivered the speed and immediacy of single driver systems without sounding harsh, nasal and peaked in the upper midrange and treble range; the primary shortcoming was a lack of high frequency extension. Voxative also makes a very good sounding full range system using its own drivers. A friend utilized a field-coil Feastrix driver in a nice custom system, but, it really needed something to boost the bass response.

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Yes I am usinga  4 inch point source (DL off ebay, $200) with a  1963 Magnovox horn tweeter, Wonderful combo, beats any xover/box design I've ever heard in my experience of 40 years. 
Jensen made incredible FC's back in its day. 
The Vox you speak of, is not far off entering my system, maybe late September.
I have bass, so not at all important if the Vox rolls on the low end. High end either, the horn will come in handy, if not needed, off it goes. 
Might end up as a   3 way.
W18E001's dual each channel, + Vox + Magnovox horn. 
We;'ll have to see how testing goes,

btw I've listened to some YT clips of the Feastrex,  speaker seemed a  bit bass shy.  
And at that price, you would expect, solid bass. 
However, Feastrex does offer many models, particularilly their massive NEO magnet driver. But these are out my budget.
The AER lab/germany also  sound  very special, but  not in  my budget. 
 

think a single driver can do it all, good for you. It can't.

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AS I've frequently mention when speaking of PS drivers, I am not looking fora  BE All End All speaker.
Only need midrange, nothing else,
I have bass and highs in my system. 
I need midrange. 
Thats all I need, nothing else, nothing more. 
My hunch is these new PS are exactly what i've been looking for all these decades, but could not figure out the puzzle.
I've got all the pieces now,  the puzzle will soon be completed.
HifiGuy

Again If
anyone here can put up a  fast shooter that will out draw this 
1929 
Field Coil in midrange/vocal PRESENCE.
Please post, and meet at the OK Corral, sundown,.
btw did not care for any of your 3 speaker choices. back to Square 1 The 1929 Field Coil design. 

Few xover/boxes can match this midrange/voice presence. 
Unreal
WE all been on the wrong path to speaker heaven. 

https://www.youtube.com/watch?v=Qrqv5nOjLuw