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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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This is one of my favorite posts on your site.My daily playback system uses Tannoy 15" Gold drivers in large back-loaded Autograph cabinets. It isn't used for critical listening, rather it's mostly on in the background playing my local NPR radio sta...
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1) If you decided to use the 12” JBL 2206H driver then I doubt that you might talk about 4” throat. A 12” driver with wide outer suspension might go with 7”-8” throat. The 6” might do, though it might be a stretch....
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Hello Romy,Thanks for the great explanation, I'm a newcomer to horns, so please treat me gently ;-)Very interesting info, so in essence there are two limits, the real "hard" limit, where you risk damage to the driver, and the "sensible" limit, below ...
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[quote user="jessie.dazzle"]Rakesh,Two things I see that may or may not turn out to be an issue:1) The relatively narrow stance of the front wheels; depending on how heavily you load the top of the frame, stability could be a bit on the limit when mo...
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Those all things take too much space and the new amp for the “fundamental channel” does not really help the situation. I decided to convert the Super Melquiades into something that would have smaller footprint and position the control amplifier unit ...
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I do not know what is meant by “close bottom” or “open bottomless”-- please expound?I do not know of importance of enemys death to this topic. There is a long thread in the subwoofer section of "devil audio" about tapped horns. John mentioned gettin...
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I am really not an expert in digital crossovers. I rented in past a few, inducing the Behringer DCX2496 that Thorsten mentioned. I less was concern at that time about the unit as prototyping crossover but rather was trying to learn if the digital cro...
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It is amassing what kind of tricks the Fundamentals Channel allows to play. Since my high-frequency Vitavox S2 driver “clicked” recently:
http://www.goodsoundclub.com/TreeItem.aspx?PostID=3592
my “Fundamental Channel” with my LF Vitavox S2 al...
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Thanks, jk
I have given a lot of thoughts to this topic lately and have a number of conversations with various people about the subject. A friend of mine from Europe, who is currently at fitness protection program, suggested that:
“.. in my "real" ...
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One of the most interesting outcomes of the Milq conversion into 6 channels is the impact it had to it MF channel. The tweeter is a separate subject, I still work on it, I know how it will be done but I did not hear the final result. I would li...
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Contemplating now how to organize biasing for 3 singe stages of my 6-chanls amp I was faced the dilemma: do I need to bias my tubes. The 6E5P/6E6P are Russian tubes and it means that are very different right from the boxes. The Milq, driver tubes, be...
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Thanks, Steve, though I believe you forget to mention to the room number where Alex Peychevs will be demonstrating.
[quote user="smilin"] His ideas, and products differ from yourself, but, ya gotta hear it to believe it. He HATES all existing...
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+++ Perhaps less dynamic behavior of the speaker would be a welcome compromise. Maybe Romys injection channel was the beginning of the end...
Here is 2 very interesting questions. Is less dynamic behavior beneficial or the dynamic how ...
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…or the “The new Channel”: some observations after the game.
This thread is organic derivation of the multi-paged thread:
http://www.goodsoundclub.com/TreeItem.aspx?postID=2433#2433
First of all: despite that I got some preliminary positive result...
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A few months ago a reader of my site contacted me and informed about that he found a very interesting driver, that his is using and he is very excited about it. The driver is JBL 2490.
http://www.jblpro.com/pub/components/2490.pdf
...
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I was trying to strategize what would I do it tomorrow someone get in touch with me and offer my $50K. In another words what would I do to convert the Altec 19 to Cetla Ledom?This is an interesting discussion itself as it gives a blueprint for me...
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In continuation to the "A new round of Pacific’s DAC listening" post.... I have a number of revisions of this little contest between two DACs in this thread and in other threads. In all of them the Lavry 924 has a little edge over Pacific Microso...
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[quote user="Gregm"] No-one is criticising the ML3 (amplification) product. We are discussing the concept and the applicability of such products, i.e. the ultimate limitation of an amplifier called upon to work from DC to daylight and, accordingly, d...
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Josh, this was an excellent
question and I was asking myself the same question a lot during the different stages
of my understanding of the Macondo architecture. I would not call it “resonance
channel” but rather the “injection channel” as it not ...
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It looks like the Cogent boys came up with a new design. It is good that they are keep looking, even thogh they unfortunately are restricted with their desire to stretch the use of their drivers over too wide bandwidth….
The new Cogent setup lo...
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[quote user="jessie.dazzle"] Though the frames have wheels and roll very easily, my room is cursed with an elevated platform smack in the middle of everything (about 14 inches higher than the main floor), and to move the horns up on to or down off of...
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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="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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[quote user="Romy the Cat"] After a few month of living with YO186 I think I know everything about this tube. I do not use the YO186 all time and I think the explanation why I do not use it all time would well describe what YO186 is and how I use...
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[quote user="anthony"]Romy, I
appreciate that this is an old thread now and that you may not remember
everything from your time developing these amplifiers, but I have a (hopefully)
simple question about the upperbass crossover in the schematic ab...
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After the painstaking setting up of the new Macondo, measuring all distance, paralleling the horns and time-aligning everything, after the setting up a correct level of the new channel’s attenuation (it turned out -2dB was necessary) I spent some tim...
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Rakesh, I think you take it all wrong and I think you need to perform some degaussing from my site. You created for yourself a cardboard cutout of ideas that I describe at my site but it is not what it is. Macondo Axioms are not set of rules but a di...
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[quote
user="Murataltuev"] So, driver for 1200hz down is under
consideration.I'm going to try 2453, 2451, 2490 and Supravox 12" for this
range.I've ordered 200hz LeCleach from AutoTech with 6" throat to try
12" Supravox for the 300-1200hz range.A...
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Yes, Paul you are right. In my chaise for “cosmetics” the economic aspect jumped out of my aim. The last design would require 6 panes for a par of the loudspeakers it is might be pricey. McMaster quotes a steel panel of 3/8” by 6” by 8” somewhere nea...
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[quote user="guy sergeant"]One issue that I would consider is that the Tractrix profile supposedly does not lend itself aswell to extremely low frequency horns (being too short) as other profiles in particular the Hypex (Salmon) shape. [/quote]
Yep,...
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