Seas Cresendo Troels fav tweeter, 92db

Really OP look at the ACs 103 db @ 8 ohms 1 meter / 1 watt. 100 to 150 watt tweeter. Replacement ribbons 15.00 or so..

Just add a MB driver your done.. Shoot use your Seas it will work.. Cross at 1000 or so.. 2 or 3 order it will be close to the best speaker you will ever hear.. 

Valve amp.. Heaven,, Vinyl, 7th heaven..

Regards

Really OP look at the ACs 103 db @ 8 ohms 1 meter / 1 watt. 100 to 150 watt tweeter. Replacement ribbons 15.00 or so..

Just add a MB driver

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Not sure whata  ~~AC~~ driver is??
Nor a  ~~~MB ~~driver...
OJ so there are other contestents other than the Seas Cresendo.

AND get away from paper tweeters, mercy. This is 2021 not 1921


Actually they are not bad,
My tech turned me on to the paper tweeter. After considering its design,, I figured it was the tweeter for chouce for my classical .
3.5 cone area allows for a  greater dispersion area vs a dome Cresendo at 3/4 inch. 
And your ribbon, are you SURE they do not sounda   bit tinny???
I had a  $50/pair AMT's , 2.2 cap, s off Ebay,, sounded a  bit weal, db was actually more like 90 instead of the ad stating 97db.
I am sure your AC ribbon has nice qualities at $300.
Cresendo /$300+. hummm have to go Cresendo, I'l old schoool 
But as I say, this 3.5  paper guy, really works for me.  It may not sound as great as the ribbon or  Cresendo, but hasa   3.5 inch cone, for a  superior soundstange. 
I will try to upload a  video,,, maybe in the testing of just the tweeter all by itself, will be exoposed a s a ~~~joke~~ ofa  tweeter, as  you, 1960's sound.
We will see/hear.
My tech friend, made the paper discovery when he was repairinga  Sanyo TV< he heard the tweeter after ordering the part,,and discovered the  tweeter made in Japan, voices human vocals, perfectly.
I 've hard the papper in his rat Shak, Nova 7CBs. I was imprsssed, So I order a  single magnet and this Kasun double.
Sure beats out the $50 pair AMT and the 1963 Magnovox horn. 

IF The  Aurum Cantus was as great as you claim
Why is it paired with the worlds worst sounding midwoofer as  here.
I just ain't buying 
I've herad others  complain ribbons havea   tinny sound.
https://www.youtube.com/watch?v=ai1dvrO1xtc

OK so, I disconnected the DavidLouis 4 inch wide band
Left the W18's running with the Kasun tweet,.
Sophie Milman Beautiful Love test track,
'What did  we learn?
The W18's are just incredible , but as Troels demands with high quality drivers, high quality caps area  MUST HAVE. The Mundorfs really give that added  punch to low bass. and the voicinng of the W18's, 70hz-800hz, very musical, no distortion, no fatigue. 
I'd hate to give up what these W18's are doing fora  swap to troel's W18 Nextel 003's. at $415 EACH!!!! x 4 = $$$$$$$
No I am in good muiscal shape with the old Excel magnesium's. 
Still of gold value after some  16 yrs!!!!.
What else did the tests show?
WEll my tech friends Rat Shak Nova 7B's boast dual paper tweeets, 1 slightly offset fq that the other, 
That I could use a  2nd  Kasun. 
For sure. 
Is the ribbon and/or Cresendoa   superior tweeter?
may-be.
But considering classical does not really reuire a  steallar top end, not like in jazz, this Kasun does all it is required to do. 
capture those rare 10k-15khz's with nice fidelity.
paper tweeters are still **The Bomb**
My tech geek swaers by them. I had to laugh when he loaned me a  pair while my Thors were being upgraded. 
I actually did not hook up his loaned paper $3 tweeters, as **trash*,, But then,, after hearing once again his Nova 7B's ?Sanyo paper tweet, I asked him ,,**can you loan me again  your  extra pair of paper tweets?**, 
They are cheaply made at $3. 
I was like,,,**huh?? WOW.. but how//**. So I reaserched and found the  Kasun 91db/double magnet,,,
Again, may not be everyones ~~ cup of tea~~ but they sure work for me.. 
But again, the Cresendo at ~~~92.5~~~.,. This might in fact be the tweet of all tweets. 

Troels pretty much says so.
He would know.
Not only is the Cresendo 5.5 db higher sens vs the old flagship , Millennium, (came out in 2000) , but the magnet is beefier. 
When i get some audio  hobby cash,  next year, I  will plan to ordera  pair of the Cresendo.
You know, that may not be a bad option. 
Vox/AC1A's for light chamber/solo piano + Cayin EL34
and a  2nd system
Defy7 +  /W18E001 Magnesium ( I LOVE Magnesium vs  paper, Nextel coated paper,,,hummm too warm?? I think so, = Magnesiusm is my cone material by necessity, as I HATE warmth.  coasted paper = slightly warm. = mistake going Nextel coated paper) 
+ Dual Kasun's  3.5 paper tweet.  + DavidLouis 4 wide band
 = The Frankenstein

~~~We are only limited by the limits of our imagination~~~~
Don't know if anyone wrote it this way,
But I am laying claim to this , my new mantra. 
Maybe the Psalms are finally sinking in.....