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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Jessie, 45Hz horn with 6”-7” throat around AK151 driver is from my perspective is the best thing might be theoretically built around a cone driver. I really envy of you and if I had room I would unquestionably go for it; this is why I keep a pair of ...
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This there is the last in the “THE PROBLEMS WITH HORNS” cycle. The previous threads might be found at:
Problems with horns: tweeters.Problems with horns: mid-range horns.Problems with horns: mid-range drivers.
This would be probably the most contro...
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[quote user="manisandher"]I asked Dave Peck of Avid (formerly Euphonix) a few questions regarding the Model Two (otherwise known as the PMI). The responses he received from Keith Johnson (one of the original designers of the PMI, head of Referenc...
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[quote user="speedysteve"]I have found
that 8th order X/O works best with them and I cross at 90Hz these days.
4th order is ok but you get minor colourations and some bleed through
that just aren't a distraction on 8th order. The bass horn takes ...
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I think that I extended too much credit to them. They were saying
about different midbass and bass horns and I was under impression that they do
not let their yellow driver back loaded horn to run all the way down. To use
Foxtex with no high pass ...
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[quote
user="Jorge"]We only
use the Beringher for bass under 100 hz, driven by the main amp. We tried a lot of different
solutions, including analog active xovers, the DCX is clearly better than the
Analog Xovers we tried. There
are very few com...
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Romy, I have been trying to explain to myself what happened and how I got to it and trying to recreate this wonderful boiling point.
I tried to make a write up of all the steps needed in order to make it happen, but it is ever so elusive. I ...
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Found some interesting comments on an independent web site, Twogoodears.
I'll copy it, it is from 2009 with original lines from Arthur Salvatore and a comment from Stefano Bertocello - Twogoodears owner -, we will n...
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[quote
user="martinshorn"] I expected your disappointed resonance already.
What you write completes the impression of the evening. I didn't go that far
not to blow up the mini article unnecessarily. But be honest, you knew it all
before. And so i...
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[quote user="dazzdax"] what is your experience with passive transformer based preamps? Is this the ultimate way to get a perfect variable gain? Or do you prefer to use an active preamp?[/quote]Chris,
I think the terms of ultimate might be...
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[quote user=" browellm from hifiwigwam"] "not your typical DIY moron". High praise indeed from Romy there… [/quote]
OK, I would like to make a commentary on the subject. I know that people who love to chop wood at DIYAudio site would consider...
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I was slowly looking for a compression driver that would go in my Fundamental Chanel down to 200Hz. The YL Acoustic 550N attracted my attention. Then I realized that it is the narrow throat type of the drivers, aka WE555, not exactly that I would...
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[quote user="Romy the Cat"]
twogoodears wrote:I'm following with interest the thread and must say that I'm baffled: Goto's "instructions" are - SIMPLY said - a mix between non-existent and wrong... I love what Goto's did in my system... BUT I thi...
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I was pointed out to Steve Guttenberg’s video “Meet Joe, and
his amazing DIY horn speakers” at https://www.youtube.com/watch?v=EFoCVw2AJRc.
I would like to provide some commentary regarding what I
observed in there. Steve Guttenberg is an in...
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Again, a manufactures make a product, gave it to reviewer and the reviewer expressed nothing but indication of own idiocy.
Here is comes:
http://www.theaudiobeat.com/equipment/lamm_ml22.htm
First of all the description of the ...
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I like to stress a point that the mammals that write thier doodles for audio publication are not juts ignorant fools but also the cheap, low class, falseificators. No wonder that the audio manufacturing companies do employ the so-called reviewers as ...
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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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John, I disagree.
No one deny the importance of harmonics and you are right saying that “If a speaker does not reproduce the harmonics correctly, then the tone is not reproduced correctly.” However you are talking about a complete speaker, not...
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Well, be afraid to get what you wish people say and it is exactly what happens in this thread: last week I expressed curiosity about the tapped horns and today I have more information about them than I wished. I appreciate John, Robert, Tom and ...
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[quote user="cv"] Honestly, we're gonna have to start calling you Romy "magnetar" Bessnow if you keep changing your mind like this... [/quote]
I understand you sarcasm but it is what it is. I did not change my mind but the conditions of the game wer...
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[quote user="jessie.dazzle"] There should be no danger in running the S3s down to 500Hz; I am currently running a pair of S2s (same diaphragm as S3) down to 450Hz, 1st order, no problem.
The system is in a room that measures around 80m² with a 3m-h...
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I realized that this thread is slowly becoming the most sophisticated web recourse about Midbass Horn available. Trying to keep the thread educational I would like to introduce to my readers one more objective of my project. The subject is super ...
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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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Vincent Brient is French guy who has built an interesting installation that I think worth to analyze. Years back Vincent was an enthusiast, like normal people, but it looks recently he turned “pro” and came to audio market with his own version of...
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First off, I forgot to mention an interesting observation: Before running the sweeps (previous post), since the drivers in the upper-bass horns are new, I decided to verify/optimize rear chamber volume (they are easily adjustable)... I wasn't expecti...
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If you have unused full range Milq channel then it is very easy for you to test Red Twitter. Use default crossover, just open the connector to the driver and cut off the red wire that leads to base driver. Connect it out of face S2 driver a...
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[quote user="Brian Clark"] Whereas I do. deParavicini's worked on designs in Japan over several years and became familiar with the research going on there in the Seventies which culminated in identifying the HD decay-spectrum as a key indicator...
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You decided to go with mA or are they mV against 1R resistors?
I prefer the second approach personally and I feel that I can moderate the quality
of resistor and I can’t moderate the quality of the milliampere meter coil.
The whole thing looks l...
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It is imposable entering the holiday season to walk across Boston’s Beacon Hill neighborhood and do not be “abused” by sound of Nutcracker coming from each open window. I just returned from my 15 minuets walk across Beacon Hill to my favorite Antonio...
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