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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hi,I keep for many years a set of speakers, JBL 2225h, JBL 2105h and JBL 2403h and I'd like to build a reflex compact speaker with a good low response (see the picture 1:10).
- 40 Hz - 1000/1200 Hz: JBL 2225h in vented box
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If you ask me the compression drivers is like the jbl 2420/2470 design only with an other back chamber. And the low freq driver really makes me think of an old alnico driver of jbl 2220A http://www.lansingheritage.org/images/jbl/specs/pro-comp/2420/p...
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Romy,Since you have had experience with this particular driver, I wondered about your opinion of the sound. In my system I have the Edgarhorn Titans which use the JBL 2441 as the midrange horn driver. While I am generally quite happy with...
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Op, I clearly have no idea as I never have seen/heard about the 2440 with phenolic diaphragm. Who know perhaps they did it. The phenolic diaphragms were the invention in late 60-70s and a remedy against the nastiness of the first SS amplificatio...
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CATEGORIES: 2100 - Mid and mid-bass cone transducers 2200 - Low frequency transduc...
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The Absolute Sound cite a street price of 250.000€ and also call JBL Paragon-like the bass horns.http://www.theabsolutesound.com/articles/munich-high-end-2015-loudspeakers/I believe that configuration, with the bass horns in the middle, should be mor...
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I also am selling my JBL 2490 mid-range drivers and perhaps a collection of my original Aura 1808 drivers. The 2490 drivers are new and Auras are some old and some new. I just do not see myself to develop any inspiration to use them......
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This weekend I visited a friend of my in NY who played to me his playback. I need to say that I did not care too much about his playback and visited him as I like him not his audio adventure but the Sound of his playback did surprised me. It was not ...
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Rewind, the explanation if my injection channel does is well described at this site. I do not own a copyright over injection channel nether term not concept. You can use your injection however you wish and call it whatever you want but what you do is...
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I have found the T90A to be reasonably in-offensive with JBL 2435 Neo/Be compression drivers.
I use them with relatively small caps, currently 0,3uF.
The effect is a welcoming of a higher frequency palette that to my ears does
not seem incongruous...
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This is my first horn build effort. Been thinking about this since starting to build loudspeakers and finally have a listening space big enough to support a horn system. This is where I am at now, I know there are opportunities for improvement. And I...
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[quote user="mats"]Good start Dan!The JBL phenolic 2" driver is 2482.I would lower the crossover point as far as you dare, 300Hz or so.Now the 2226 will do what they are pretty good at.Later you will likely want to filter the 2445 around 2k.A 600Hz h...
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Today LeCleach 550hz arrived together with another round horn - Jabo KH-53 (350hz).I've measured 3 drivers in 550hz horn: GPA 288, JBL 2453 and JBL D2430K D2.JBL 2453 really impressed me. This is definitely best driver I ever had!Tone is perfect and ...
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The picture shows a JBL 2446. It shows where one attaches a horn. The exit hole in the center of the driver is about 2 inches deep and 2 inches in diameter. Is that hole part of the throat chamber or does it count towards the first 2 inches of ...
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[quote user="Romy the Cat"]So, I guess you do not measure flux if are getting. You might measure sensitivity and we might presume what when perm magnets has the same sensitivity as electromagnets then the drivers have the same magnetic flux density. ...
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A visitor of my site pointed out that the guys at AudioHeritage site have heard this new DD66000 speaker.
http://www.audioheritage.org/vbulletin/showthread.php?t=12255
I do not read generally the AudioHeritage site as I found that the guys in ther...
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It looks like JBL Jumped into the beryllium wagon with their new DD66000. It is $60K it is sexy look but frankly speaking I do not see anything stimulating/interesting in them beside a nice industrial design.
Here is also a link that “try” ...
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http://www.jblpro.com/pub/obsolete/2440.pdf...
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Yes, Jonathan,
I have seen this resemblance with JBL in the shape of the back plate but it does not mean anything. The curved back magnetic path make a lot of sense, so he might adopt it from JBL. There is nothing wrong with it.
I do not k...
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Hi, Tim. This is difficult question, and it is difficult in it’s abstractivnes. I really do not understand, or understand but refuse to acknowledge the validity of the word “respectable”. How valid for YOU would be a “reputation” of this driver if it...
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Many people know that I run a side business doing wedding photography. During the 24 years that I have been doing the wedding gigs, and after over 950 jobs that I went through I kind of have seen all imaginable wedding bands. Certainly the “events mu...
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Marchand doe crossovers not EQ and his crossovers are not so good sonically BTW, but I do not like even the idea of active crossovers anyhow. It is obvious that 2105/LE5 is not so simple driver to begin with but searching for “straighter” driver is e...
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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 saw today link of a Russian guy who was trying to make set a playback around JBL-2490.
http://photofile.ru/users/yras/3860502/all/?mode=xlarge
The speaker turn out to be a ridicules – 2490 in upperbass shorted version of WE horn...
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[quote user="Jorge"]One more thing about the JBL 375, I did play around with them enough, I aligned the diaphragms several times untill they sounded their best and were very listenable, This was some time ago now, I didnt turn my horns then, so I tr...
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[quote user="KLegind"]Hi, I have some experience with the 2482. Sure it can reach 300 Hz but only with EQ. [/quote]HelloMy experience is that JBL-2482 can be used without EQ.Example on my system where 2482 is used on a home made "Tractrix like" horn ...
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[quote user="Romy the Cat"]I do not know the 2482 driver but all of the 2” exit drivers have in my estimation some unpleasant behavior as lover knee when you stress them to go very low.[/quote]Hi RomyJBL 2482 was mainly designed for very high power p...
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[quote user="anthony"]It is a compression driver with an 8" cone. If you want authority at 300Hz you will need diaphragm area. The Fane Studio 8M that Romy and plenty of others use for 100Hz up to 1kHz is an 8" cone driver on a 4" throat with a clo...
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I heard the Array 1400 at a show: https://www.neomax.ro/produs.php?id=P:5737-S:336It has the aluminum diaphragm rather than beryllium.The demo music sounded very nice. Effortless and beautiful.The midrange tended to spit and shout a bit though, like ...
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I never heard Everests and I hardly feel that I ever will hear them in a reasonable installation as the people who would use Everests most likely will be the people of “different type”. Still, I wonder if the Everests are the JBL’s 21st century glori...
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