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18 sound nd1460 vs nd 1480

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audionik View Drop Down
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    Posted: 30 July 2009 at 4:40am
Anyone compared 18 sound nd 1460 to nd 1480 on XT 1464 horn?

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darkmatter View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote darkmatter Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2009 at 2:43pm

see here: http://www.diyaudio.com/forums/showthread.php?postid=1578619

"I stumbled over Dirk Hahn's posts on "pa-forum.de" when I searched for a 
current production alternative for my Yamaha JA6681b.
I can't search for all his posts about the subject right now.
Those who speak German can search for the word "NSD" on the forum.

Dirk Hahn is the main German importer for 18Sound. This would usually 
disqualify him from being objective about compression drivers,
but he is well respected in his field, and none of the pros refute him
on the matter .
He is famous for his speakers with highest quality
chassis for both, PA and HiFi and his creations are found in German
DIY speaker magazines. 

Here is one post of him: 

"Hi Peerless
ein NSD ist akustisch nahezu perfekt. Der NSD 1460 ist etwas 
zurückhaltend ganz oben, jedoch darf ihm dieser Bereich durch 
High-Shelving (16 Khz + 5dB) ohne Verlust akustischer Präzision 
hinzugefügt werden. Der NSD 1480 verhält sichthebesser,theer 
mehr Magnetmasse hat und besser im Topend ist. Jedoch ist der 
NSD 1460 N momentan der beste und darüber hinaus fast der 
billigste Treiber im Neodym Segment. Er ist auch kompatibel mit den 
Konstruktionen, die bisher mit dem ND 1460/1480 gebaut wurden.

....Deinen eigenen Test anzustreben mit allen anderen 
Membranmaterialien wird sich so ergeben, wie von mir bereits oben 
beschrieben. Oder denkst du, dass alle hier mitlesende Pro´s, 
meine Kommentare ohne Veto akzeptiert hätten. Ich glaube und 
bin mir sehr sicher, dass ich den Treibermarkt sehr gut kenne und 
nur ein Treiber gefährlich nahe in unsere Gegend kommt. Alles 
andere ist noch ziemlich weit entfernt.

Mfg
Dirk"

And my humble translation:

Hi Peerless
a NSD is acoustically almost perfect. The NSD 1460 is a little 
restrained in the top end, but High-shelving (16 Khz + 5dB) 
can be applied in this area without loss of acoustic precision. 
The NSD 1480 behaves better in the top-end, because it has
more magnetic mass. However, the 
NSD 1460 N is currently the best and cheapest neodymium driver in the segment. 
It is also compatible with Constructions, that were built with the1460/1480 ND. 

making your own test against all other membrane materials will 
reveal the results as I have already described above. Or do you 
think that everyone of the Pro's here, would accept my comments 
without a veto. I am very sure that I know the driver market very 
well and only one driver comes pretty close to ours. Everything else 
is still quite far away. 
Mfg. 
Dirk 


Greets,
Klaus"

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Teunos View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Teunos Quote  Post ReplyReply Direct Link To This Post Posted: 30 March 2014 at 11:26am
Yes i have, they measure exactly the same, the efficiency of the 1480 is just a tad higher due to the higher magnetic flux in the gap. Looking at the frequency response as well as impedance, you would not be able to seperate one from the other. 
Best regards,
Teun.
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