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Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I tend to like drivers with plastic suspension. Radian makes retrofit diaphragms for JBL with plastic suspension, maybe they will help you achieve the tone you are looking for.
Extensions are easy to machine out of aluminum, even wood and they can ...
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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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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 horn with a 1" drive...
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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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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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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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[quote user="Romy the Cat"]The biggest problem that usually people face when they listen the middbas horn is that people tend to make the middbas horns too short. In the short horn the driver shot right through the horn and the LF go not “get loaded”...
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MiniMe is growing up...It is a shame that you will not be able to utilize the ringy dustcap that the origional drivers have, but the JBL LE5-2 driver is quite nice and should not bring many surprises.
I found something today that you might find usef...
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Here is a link describing Meyer Sound's design philosophy, production and implementation:http://www.meyersound.com/support/forums/talkshop/drivers.htmThey began production of their own drivers to improve longevity and reliability in the field. These...
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I dont want to hack this thread into TH, I tried them with sub-amps 150 watts and they didnt sound good, but I was using a passive preamp, when I added an active preamp things started to get better, now with 12 watts and a a lot of gain, bass is ama...
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[quote user="Jorge"]I guess it would be simple enough to add a couple of inches in order to bring the throat down to 4" in order to try the Studio 8M. I have already reduced it temporarily to 3" in order to try the JBL 2490h compression driver. ...
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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 tried them on the orig...
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Dear
I know that it is very difficult to evaluate others system without a physical visit.
Still i have a very general question about the "worst crossover point".
...
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Bill, or Romy, what I am missing here is some kind of visual of the setup whether photos or a hand-drawn sketch. I'm intrigued and would like to know more about it, especially in terms of its use with two channel and surround sound. I am using a pa...
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Yes, it's been that way for me, too, for years, now; "solutions" are no longer considered good enough if they yield only intermittant Musical satisfaction, or if getting and keeping things optimal for each session takes "too much" time and effort. Li...
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I have only heard GOTO drivers one time, and in that system they were time-aligned:http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=7467#7467 The closest I could come to describing the SOUND, when the source was right; (Ch...
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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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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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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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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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Just a quick note.I tired a JBL 3" compression driver 2490h model with original Titanium diaphragms on a 120 hz Tacrix horn. I got a response down to 200 hz. How did it sound? It sounded good clear and transparent but it lacked a little tone imho...
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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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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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[quote user="Rewind"]Hi, I am slowly building my own Macondo. I understand why the injection channel is there. It brings some kind of softness that the compression drivers lack. [/quote] OK, but it is not how I feel about the service of injection...
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[quote user="Romy the Cat"]Well, I would advise you do not order any horns with aiming 2490.
Get the drivers first and order the horns AFTER you feel that the driver
satisfy you. The fact that the loaded driver can hit 300Hz does not mean a lot.
Y...
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Interning that the strings and are the primary beneficiaries of the “Injection channel” effect. It would be hard to explain to people who never were not in my room what the effect is but I would try. (Yoshi you have to visit me again and what I tried...
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[quote user="CO"] Ive been building and improving my own speakers the last few years and at this point i'm thinking a fully horn loaded setup ( 3 way + sub ) is the best route to take to get a speaker capable of faithfully reproducing the elect...
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[quote user="mats"]Too late now for points, but just the other day I tried to imagine your plan. and I was pretty close.Actually, it is a bit like what I have going now; 15" Eminence bass guitarr woofers in a sealed 3 cu ft cabinet,Oris 150 with...
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[quote user="haralanov"] I will not call this excitement, let say it dynamic stability. [/quote]
Hm, the “dynamic stability”. This is a new objective…
[quote user="cv"] I suspect [David]he feels more comfortable with coils running at low vo...
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The Other End of the Single End: Modern Horns Done With Flare An Interview With Dr. Bruce Edgarby Dave Glackin, printed in POSITIVE FEEDBACK. 1996
Dave Glackin interviewed Dr. Bruce Edgar in his home, prior to the 1996 WCES. A follow-up on the speak...
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