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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I have drawn up my 20Hz subwoofer horn in Google SketchUp 3D. This horn is more for home theater than for music. My smaller 40Hz loaded with B&C Speakers 8PE21’s is more musical and articulate. The 20Hz tapped horn is loaded with two Tang Ban...
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[quote user="Tax"] Given the varying degrees of how different individuals process COGNITIVE ORDER OF SUCCESSION there will be differences in between how the plumber Vs a brain surgeon handles COGNITIVE ORDER OF SUCCESSION. I guess on some things...
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[quote user="Romy the Cat"]
Knightcrawler wrote:
The 1808 was designed for a large vented enclosure. Just looking at the TS numbers would indicate a large vented box to be best. It also worked well in horn loaded designs a...
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[quote user="serenechaos"] I do not know of importance of enemys death to this topic. [/quote]
Oh, this is a sheer pleasure but do not call that dirt enemy. He is not enemy but way beyond it, he is the person about whom I have a death-wish as ...
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[quote user="oxric"] Firstly, the costs involved and the real chance that this project might not work make this project statistically a horrible waste of money, time and resources which could be better spent in pursuing other solutions which are ...
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This article was written by Johan Dreyer in 2006 posted at AA and the reposted recently at a Johan's local South African forum:
http://vinylsa.co.za/forum/viewtopic.php?t=1016
I desided to give to the Johan’ thoughts some exposure at the horn-citri...
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Guy, here some unconnected comments that you might find worth considering. They are in no order or importance, just random thoughts.
1) Talking and describing about horn we shall always mention at least 5 mandatory characteristics
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Romy,
>If Bruce suggests that his folded upper bass horns works better then his straight horn, and if it is correct (do not forget the he said about his horns), then it means absolutely nothing.>
Dr. Edgar - who designed and hand made the...
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Continuing to harass the readers of my site and myself with the good news about the performance of my SA8535 driver I would like to post a very educational article about the subject. As I told before, being familiar with sound of ribbons then never i...
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One of the first audio miracles that I remember was when I
was I think 10 or 11. I had a reel-to-reel machine from 60s, it was running tube
amplification around Russian tube 6N14P and I powered from this tape machine external
speakers that I build...
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I'm a new reader of your website and one subject which interests me a lot is that of upper bass horns.As you have noted time and again (with which I agree almost completely, after reading a lot of 'research' [many claiming to defy the laws of physics...
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Well that really is damn frustrating and admittedly very aggravating. After typing a rather lengthy and enthusiastic response, I somehow lost everything before posting and it couldn't be recovered. So we'll attempt to try this again, though adm...
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[quote user="drdna"] I know all the compromises involved with the EdgarHorns, I have heard them when I visited Bruce Edgar in Gardena, and they were pretty good compared to most of what is out there. I realized that I would likely never be able...
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Rakesh,Thank you for your kind remarks. I appreciate the close scrutiny you have given my previous post but I think you are at a stage of system design where many basics of your system should be considered and evaluated before the issues of my po...
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[quote
user="ArmAlex"] Hi Romy, In this picture it looks that attic
opening's distance to listening position is very close to distance of chair to
the main speakers. Time alignment?[/quote]ArmAlex, very good question.
The position of the exit of ...
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Looking at the second picture, the side view, it looks like
a lucid loudspeaker, time-aligned I presume. I think it is time now to
experiment with some fancier drivers…. after you change the electronics and crossovers
:-)….
Let me to expre...
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Back to the subject of this thread!
I heard some rendition of Dr Edgar's gigantic monsters at the Montreal
show this year (2006) running with Modwright electronics, some 16 wpc
tube amplification (possibly SET). There was in that room also...
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[quote user="Scott
L"]IMO A 60Hz attempt is too low and a 120Hz attempt too high. This
is a difficult task, that of properly integrating horn loaded mid-bass with
D.R subs.
What type
and slope...
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Romy,
The upper bass horn has a Ceramic driver 18sound 8M400, the MF horn has an 18sound 2060A Neodymium magnet, tweeter is Beyma Ceramic driver and supertweeter is Fostex Alnico. The Leak amps are PP deep class A, we do have a...
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Understanding Line Array SystemsBy John Murray
Behind the buzz, there are a lot of factors at work in line arrays. An explanation and comparison of current models. This discussion can’t be contained in just a few paragraphs, so we must start with th...
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All thinking about ULF are usually centered on 3 subjects:
drivers, topology and amplification. Even though these 3 subsets very much intertwined
I still would like to talk about it separately. We do presume that we have the proper
drivers for pro...
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I think 8-8-1 will be very good configuration all together.
Make sure it stays sufficiently far from back wall. Point the axis toward to your shoulder and I think it would
be fine setting. Turn off tweeters and Fundamentals channel and set right
b...
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My Placete preamp was sitting in Idaho for update for a
long time, so there was not a lot of audio activity lately. Also, the last few
month there was a lot of things going on in my life that severely compromised my
audio rotation. It is summer an...
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[quote user="Romy the Cat"]
Scott
L wrote:IMO A 60Hz attempt is too low and a 120Hz attempt too high. This
is a difficult task, that of properly integrating horn loaded mid-bass with
D.R subs.
What type
and...
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The best midrange comes from compression drivers, it has that minuteness, transparency and dynamics that no other topology can offer; the main problem with them is that they only cover a very specific mid frequency ran...
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Hi ,
Try to be short , so i will not bore you...
I have DISCOVERED fm STEREO 2-3 YEARS AGO, i am not a tech guy , had rotel michi -10 ( nice but thin sound good highs though)
I had Grundig RT-50 ( marvelous SPECIAL SOUND ...
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[quote user="martinshorn"] at DIYAUDIO.COMWell. I disagree that digital has to be intrusive.
I disagree that SSamps are too.
I don’t want to see a ribbon tweeter or standard Subwoofer in my
horn.
I cant stand SET sound. It bore...
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Thanks, Romy, for your generous reply.
I won't try to address everything about everything, but let me bore
you with a mini-history of what is going on with my playback so you
will understand where I'm coming from and where I'm trying to ...
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First off, let me say Hello to all fellow Audiophiles!
I'm an audio-obsessed 29 year old currently living in the United States (Minnesota), and have spent years perfecting HIFI systems in vehicles, and over...
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Dear John,
I hope you don't mind me writing directly to you. I've been posting on Romy the
Cat's audio boa...
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