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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Well, I do have 3 channels of DSEP. Dedicated Single Ended Pentode: one channel (bass/mid 30-500 Hz) with a 307A DH pentode feeding two wonderful Fane neodymium Colossus 12" - one from FS to 150 Hz and the second from FS to 500 Hz. OPT with a lot of ...
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I think that most of us here consider horns to be decade devices. That means about 3.5 octaves can be optimally covered. 800-8000Hz in your case. Extending the "highs" another octave means a couple of things. If a horn is "too short" you do not get m...
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I dont think a standart klipschorn would satisfy the cat. I had one, then I heavily modified it and in the end I built my full scale horn system. I still keep that modded khorn system as a second system.If I may suggest, if you use klipschorn, you ca...
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You may remember that my bass reflex boxes were sitting on top of the carpet. I installed a few days ago, 4 brass spikes under each one, then their foots to sit on, and put them on the sandwich granite bases I made. Bases are 50kg each now!I have als...
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For now I'm quite sure about one very important channel - 1200Hz+.
JBL2453 in 550Hz LeClech horn works perfectly for me!
For the lower channel 500-1200Hz I've tried the same driver JBL2453 in 350Hz Tractrix and result is not bad, but not pe...
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[quote
user="kodomo"]In my first design, I kept them all in a vertical line.
It had one channel less back then. When I added the 1" throat JMLC 1000, I
decided, as the tweeter operates over 9.6k, the slight misalignment may not
matter. Still, I k...
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Hi Romy,
been reading you for some years now and 99% of the cases agree with your judgments (and sarcastic criticism).
Some data on ANIMA.
The bass is an exp horn tunned to 50Hz using the floor as a virtual expansion of the...
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Manolis Proestakis from Greek have announced his Anima Loudspeakers.
http://www.tuneaudio.gr/
The lead came from Stefano Bertoncello's blog; the picture was taken from there as well.
http://twogoodears.blogspot.com/2009/...
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I am reading through those interesting threads.
I have just won a pair of S2 on ebay so I am interested in horns for them. I have fired an email to Vitavox Peter and I will get his diaphragms. Since my drivers are in UK, maybe he ...
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Hi Romy
Yes, I think the toughts behind the Le Cléac'h flare is interesting.
I don't use them myself, however. And I don't use tractrix either.
But I do use a digital crossover.
cheers ;)
...
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[quote user="Romy the Cat"]
I would like to dedicate this thread to sharing views about a theoretically ideal, ultimate horn system. What would it be? Am NOT talking about the typical wishful thinking when people publicly drooling what they would d...
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Romy,I understand your situation as a result of the move. It is a good thing because a system that is out of proportion with not work in a family environment and ultimately you will be battling yourself between sound and family priorities and practic...
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Hello Romy and everyone here, Thanks again for your thoughts on the large horns. It seems best to start a new thread, as previous threads dealing with the "10-Footer" originally began as discussions of other subjects. Romy, you may want to move previ...
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Dear Romy,
well the horns are actually not designed for HF. The intended working range is up to 5-700. But since we use low Q, only second order filters we want to have a rather large overlap in the crossover region and a fairly even pattern over ...
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Dear Romy,OK, some more about the midbass.Well, it was not really a surprise to us that the horn without the phase plug was dissapointing. Without the plug we had a horn that was a bit too short, had too large front cavity and less compression than w...
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By distortion in the throat I mean distortion caused by the nonlinearitiy of air that manifest itself by high pressures.I dont think this was known in those days.If this makes any significant audible difference in this particullar case I dont know, b...
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Coincidentally, yesterday (14th Feb in this part of the world) -- a timely coincidence as I only read the posts today.A friend constructed a temporary 150Hz tractrix out of hard paper -- a 12hedron. This is not about the sound etc, the horn served fo...
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A little update : Reading some recent comments in the "Configuration from Italy" thread: http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=12605#12605 prompted me to share what I've recently done. Yes its an obvious thing to do, but it took...
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A site visitor pointed me out the I never made an intended write up about the David Haigner horns. I just forgot about them… OK, let analyze David’s claims and his Alphahorn design. I would say right the way that I do not like the Alphahorn’s id...
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To make the story short :) Autotech is a family business located in Lublin, Poland. Younger brothers graduated in mechanical engineering are cars and racing lovers - with scores in Europe as professional drivers and mechanics. One year ago Lukas wrot...
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I would like to expose what my intentions are what I was tiling above about Goto 555 or a similar 200Hz driver. My S2 does not stress the bottom of my 183Hz horn. My multi-cell is expositional and those types of horns do pick honk very aggressively ...
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Well a scepter or a baton... Last night before setting up the RTA, I listened to a recording of orchestral works from Strauss (Kempe conducting)... It was early enough that I could "air out the system" a bit. And Ok, maybe I don't have all ...
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In diyaudio site there is guy who is planning to do
something like this.http://www.diyaudio.com/forums/multi-way/273468-115hz-tractrix-turned-plywood-bass-horn.html Click the 5th picture from above. This is very interesting
move as he introduced an...
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Well, a few things that I need to note. If you or anybody else are trying to make an impression about own installation and use video then please make a relevant video. The video you made is irrelevant as it shows absolutely nothing. What is the purpo...
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OK Romy, I agree this should stay here, especially that I will probably have more observations to come as from the late January.
I didn't explain the context of S3 use in my future system. I'm awaiting for a delivery of Beyma TPL-150 which will be ...
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Hello Romy, thanks for your guide.I've been thinking and I feel that some basic upper bass channel ideas are forming; they a result of, as you say ,"organic" derivation from the rest of my acoustic system. I am pretty excited about this idea i have. ...
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[quote user="Murataltuev"]Can you
suggest the thread to read about it ? So, how many octaves from fs will be
loaded properly ? [/quote]
How many octaves from fs? We are taking about how many fractions
of dB not octaves! Look for a threated:
...
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[quote user="Romy the Cat"]I do not understand what does it mean. Are you saying
that you lost bottom response with closed exit hole on the driver back? If with
the closed drift from back you have a (loaded!) response no lower than 200Hz then it i...
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[quote
user="Murataltuev"]Yes, back chamber is very small. And it is
tunable! So, I need 110Hz Tractrix...ok[/quote]
You might tune the Fs by using a acoustically semitransparent
fabric, like Audiotechnica does in their headphones. About the si...
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[quote user="Romy the Cat"]Oh, God, what the measurement microphone does at the mouth
of the horn? Is it where you measure your responses? I hope not. Also, even over the bad sound of YouTube
video it is very clear at the example you provided us t...
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