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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy,I took your advice and now have a single 2440 driver. At least i THINK its a 2440. On opening it i find that it has a phenolic diaphragm! Have I been sold something else? I was not aware that there were ever any phenolics for the 2440 family. Wa...
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Very interesting discussion. I have taken a close look at Marco's horns and am thinking about using them in a horn installation. I plan to use the TAD 4003 from, say, 1 to 8 kHz, and a tweeter above that. I would love to use horns below 1 kHz but wil...
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Romy, hiDid you get the chance to listen ? I did listen for some time Kevins development pair in 2008 and they were superb (Using very large subs). I have a pair, in fact the first pair of tone scouts Kevin made. Interesting no one talks that much ab...
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Romy, may be the alnico jbl 2482 + aluminium diaphragm (plastic surround) would suit for your application here. I tested such driver on 200 hz tractrix horn and worked fine. Went down well under 200 hz and is 2" throat. It is heavy but I would be usi...
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[quote user="martinshorn"]The bass horn for the ak151 is housing a rear chamber slightly open, giving the injector channel - that creates a lot charme, flavor and „heart“ but also 3 dimensional projection. [/quote]I need to say that that very muc...
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I do not think that you really can trust an answer from someone willing to tell you what to do. Sure, the Klughorn is a great thing, but I have never heard it suitable integrated - which says NOTHING about the horn and driver but a lot about those us...
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I purchased a pair of front loaded horns with JBL e120 12" drivers. They are crossed over at 200 and 800Hz 24/octave2 pictures here:http://picasaweb.google.com/noviygera/Midbass#dimensions are of the cabs are 28" wide-20" high and 24" deep.When I ho...
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JBL 2441 also seems interesting candidate, perhaps "smoother" than 2440:Duke LeJeune of Audiokinesis recommends them as a "poor man`s TAD"Beyma CP755ND/AL 1.4"http://profesional.beyma.com/ENGLISH/pdf/descarga.php?pdf=CP755NdAL.pdfSome interesting alu...
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You go a head and stroke your minion Romy. But the few that have some brains will see threw your bullshit. You rap your horn skin in fiberglass with some 1/2 strips and if you get it to resonate at any frequency between 40 and 180 cycles, I will pay ...
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Well, I'm still waiting for 2m 40Hz horn, 200Hz and 270Hz LeCleach. But can't wait to try something!But I'm very eager to experiment with drivers I have, so this is what I got today!If someone has expirience in judging recorded sound, welcome to comm...
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Romy,,I agree with most of what you say....But good audio engineering comes in small tiny increments,,when JBL introdiced the coherent phase plug..I said so what?? then the moved the position of the magnet,,I said so what??But they were getting ready...
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Yes but you are still going to need a higher order slope than 6db to prevent unnecessary non linear distortion from the bass driver and then the insertion losses inherent in a PLL crossover become an issue. Higher order slopes and active operation wo...
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I did not have a lot of time to ply with my new DEQ options. From what I have seen it turned out to much worst then I remember it. This think make soul-dead sound and I do not think that it shell be used for any purpose. I still have some thoug...
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I've been having love/hate relationship with Lowther (and its siblings) for several years now. As you all say, it has many problems to use as a full-ranger. Right now, my set up is a 3way multi-amp, Lowther (Reps 1) in Medallion cabi...
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Here is the set up working on trying to lower mechanical excursion w/o using large horns:5 way system. Crossover points are 40, 100, 750, 7500 the vertical JBL array 1400 mid horns have a horn tweeter built into their top. Yes the 15-40 Hz channel a...
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Romy, Some very good points here... if I downloaded the correct schematic from your site for the 6-channel Melq amp (also has the term DSET in the title) then you have created a 6-channel SET amp with built-in crossover points. Your first ...
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Hi Romy,
Well firstly on those, the tweeter is not offset to one side - it appears to be time aligned directly behind the midrange horn and upper bass unit. Secondly, that's a JBL 2405....
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[quote user="Johan Dreyer"] I had a SG370 mid apart only yesterday.I should have taken a photograph. I have also seen the inside of the tweeter. They are very similar, so I have no reason to suppose the low mid SG 505 will be much different. I'll try...
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-Background- Enspired by Jeffery Jacksons system as displayed @ VSAC, I'm building a five-way horn system. Tapped horn for up to ~80Hz; w/ Eminence driver 65Hz Tractrix from ~80Hz to ~400Hz w/ fane 8"; 250Hz LeCleach from ~400Hz to ~2...
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Me again..In my search for another jbl 2482 I chanced upon a Yamaha JA6601 Driver. http://picasaweb.google.com/jbjbjbjbjb/YamahaJA6601It looks very similar to the one that produces these amazing response plots on the Azura 204 horn.http://www.azuraho...
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Why dont you use your midrange horn with the JBL from 600hz to 4800hz? I think it would have a fairly flat and good response and tt wont be beaming. It works with the tractrix 1000, I have done it before. I then tried my Radian 475be with JMLC1400 fr...
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Hi.The top picture of a cut JBL unit shows it has a ring just below the magnetic gap connecting the central polepiece and the front plate.Although there still is a little ring shaped cavity with a triangular cross section, the large cavity is hereby ...
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yes romy but my english is badThe JBL 2420 alnico sweet sound with my trumpet tactrix not felt the need for a tweeter, but the high was a bit behind. with the field coil at 100 volts sounds almost equal all'alnico but increasing to 130 volts, so that...
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somehow i missed that moment in macondo development when you introduced S3 as a low mid driver so this came as a surprise to me - what i remember is that you didn't write so favourably of S3 back in 2004 due to its ceramic magnet. but it's good t...
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I went to eBay and searched for his diaphragms. If you look for the rest of the items he sells then you see that he sell vintage labels of Altec, Western Eclectic, JBL, Rogers, Studer… Well, in my books the people who sell it and those who buy it hav...
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i have vitavox S2 and also altec 288c.i am trying to source the fane studio 8m,just missed a pair by 1 day on uk diy.until i get the fane and make a horn for it,i will use altec 515c in vot.i also have jbl 2405.yes i will definitely build the full ra...
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Robert, G10 has no special damping properties that I detected. In fact it is some kind of plastic feeling material. It is “filament glass cloth material with an epoxy resin binder”.
http://www.polymerplastics.com/composite_g10.shtml
I do not fine i...
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I'm going to try and build a Melquiades type amplifier (with some help from friends) following the advice given above to make it as simple as possible. I could spend more money for "different" transformer, but I will ask you for advice on...
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Oh i see, DX65 has 140mm diameter cutout - as opposed to 105mm for the JBL.
time to make some more G10 dust with your file?!
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It is wonderful how these forums work and how it's members provide the feedback and comments from their experiences and expertise.I am 90% convinced that the DEQX will not provide the magic spatial sound that I am looking for with the Edgarhorns....
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