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In the Forum: Horn-Loaded Speakers
In the Thread: The African compression electromagnet drivers?
Post Subject: TweeterPosted by audiofilofine on: 1/3/2011
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 vinylithicum wrote:
Hi audiofilofine.

Nice drivers, although the picture is a bit fuzzy. Can you tell more about your drivers?

Maurice.

All parts of the tweeter shave been designed and built.All are built in magnetic steel in preferenceto pure iron because pure iron is heated during processing and after processing was not possible to check that the characteristics of the metal were the same as before processing.
Solenoidsto180voltssaturatethe core.

Diaphragm shave been modified by eliminating the resonance.
We tried two types of diaphragms and two types of horns with spinnerPFC.
With the horns of the first photo, the answeris within 1 db from 6000 to 23500 hz spl 110 d b 2.83V1 m,with the second type of horn  is within1.5dB from 4000 to 19500Hz with an SPL of 114 db 2.83V1m

http://audiofilofinehighendproduct.blogspot.com/2011/01/tweeter-horn.html

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