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In the Forum: Horn-Loaded Speakers
In the Thread: New Horn Speaker Manufacturer to watch
Post Subject: I am not impressed with that Hornfabrik.Posted by Romy the Cat on: 2/4/2015
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I am not impressed with that Hornfabrik and I do not see
what they do “right”. The video is expectedly stupid, with the “journalist” do
not know what they are asking and what they hear in response.
For instance the small speaker they claim to have stable 8R impedance.
They use TAD drivers and what impedance the 3 ways TAD in that type of loading
shall have is well known. The only way to stabilize the true 8R impedance is to
use resonators that do kill sound. So, shall I hear a statement about “true 8R impedance”
as some kind of declaration of quality or the declaration of stupidity? Also,
who cares about “true 8R impedance”? They use Atmosphere OTL amps;
of course they care about impedance, but only they do. Next, what in the MF hour
of the small speaker the front vertical facet does? A vertical facet around the
horn’s mouth? That is monumental no-no, which has no need or reason to be
there.
On the larger system: why the MF horn is angled down? Did he
read my Macondo Axioms before he made this horn? With all seriousness: the decisions
like this are very indicative what is in the head of the system designer. The mounting of a horn-tweeter on the flat surface
is another thing. No, it is not “deadly solution” but highly undesirable. Another
thing: with horns they do not need such a thick frame-column and I personally
prefer a thin frame as it make the system flow in air. It is of course a taste
but no matter what this chunky, non-elegant and unfinished frame that thy
implement strikes me as contra-esthetical, which completely conformed by the music
they play at demo.
The only interesting that I find in this system is the decision
to go for glass mouth of bass channel. This is for sure elegant idea. They look
like use thick glass with rubber decouples. An interesting move, completely not
tested by me and I do not know what to say. From one perspective glass rings
like hell. From another perspective if it is think enough, properly mounted then
it might be not important as it would vibrate homogeneously as one large surface,
means at relatively low frequency. I have difficulty to predict the value of
this decision. I would like have sand to
spread over the glass to see if it pick up any vibrations.
Anyhow, I do not fell that what the Hornfabrik demonstrated
is truly “interesting” with exception of glass mouth. There are a lot of new companies
out there making horn with questionable design ideas. This one for instance:
http://www.sonusaeterna.com/ngine#!/zeus
For sure it all need to be heard to say anything certain. However,
so far neither from musical not from design perspective I do not find them
stimulating. If I travel in Germany then I would not make any efforts to slop
by at Hornfabrik demo room.
Rgs, Romy the Cat
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