JBL 2385A PDF

JBL 2385A PDF

A – 2″ 60°x 40° FLAT FRONT BI-RADIAL HORN. The A JBL 2″ horn has a very controlled & tight coverage of 60°x 50°. Excellent directivity factor of Find great deals for JBL a 60x 40 Flat Front Bi Radial Horn. Shop with confidence on eBay!. The JBL A Bi-Radial. horn is designed for flush cabinet mounting or compact cluster A has a nominal 60° horizontal x 40° vertical.

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I have done this and it sounds pretty 2835a good. Based on the fact that the has a 90 degree horz. Jgl, One more thought! Honestly, for me the sounded so much better in the “sweet spot” but I stuck with the ‘s because I felt I got better HF coverage in room as a whole.

Orginally I paired up the Renkus-Heinz horn with a bullet which I still havebut wasn’t happy with the HF coverage. And maybe, that explains why nobody makes a larger version of the A. Then I kbl not sure that any of the Flat-Front Bi-Radial Horns would be a good match as far as dispersion patterns are concerned.

Something to consider is the dispersions characteristics of the other components.

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And for some strange reason, I have always prefered the old driver to the ‘s, but thats just me. Unfortunately, that “sweet spot” is pretty small. But there are still some small changes in the horizontal dispersion as well. On the point of coverage, the a would do a better job. Since, you are also suggesting on using a 12″ driver as a low-mid range driver.

The matched up well with the I use A horn with h drivers in my ht. Make sure that you run the all the way up and just bring the UHF in at 10k or 12k with a 6db rolloff just to fill in the top end.

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I will post pic’s next week. Is it your setup in your avatar? And switching to Hz cleared things up nicely.

Blaster, Thanks for the reply, I didn’t even think of a A. JBL does or did make large biradial horns of that jb series. One advantage not mentioned is the pattern control on the “large format” series over the flat-front series.

Forum members who have made room for them, even temporarily, report quite good results.

But still, when you are listening in that spot, boy it’s so 23885a Also thanks for sharing your Xover points. Others, have brought up the a horn as a possibility. Can you post some pictures on it?

I personally think that you would find that the a has too narrow a coverage. I forgot I have a pair of drivers mounted on BiRadial x horns. But, assuming for a moment, that you really got your heart set on a kbl throat Flat-Front Bi-Radial Horn, then swapping out the for something else ibl be a better choice.

Or, if you really like therun two of them with a degree angle between them.

JBL A 60×40 Bi-Radial Horn ( Hz)

The delay due to driver distance jbk attention on this system. If you look at the frontal Isobar contour charts, within the a horn’s spec sheets, you will find that the dispersion pattern narrows as it goes higher in frequency. I would strongly recommend going with a slightly higher crossover point of Hz with the a. Hi Lutz, I have run all three flat front horns in all different sizes of room. Here 23855a a picture of a pair of ‘s 285a the snout removed and mated to a pair of DDS horns that are very similar to the in pattern.

Then the a might be better choice, as far as matching the 12″ driver’s dispersion characteristics at 1 KHz. I think based on what you are doing I will try moving my Xover point for my a little higher. You can tell the TRUE audiophiles by the size of their horns, eh? This does make a difference when there aren’t any reflective walls and the crossover point is low. The A and the both have the same x degree coverage.

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Our others points are almost exactly the same. Try an Hz crossover for the So, the a is going to have a horizontal dispersion that is ever narrower then 60 degrees, at your 6 KHz higher crossover point. Fortunately, most of this change is in it’s vertical dispersion pattern. I had A’s on the system initially and preferred the A’s. Hi Lutz I can fully understand what you mean by the ‘s “sweet spot”.

Let me give this some thought. Your right, it does match the ‘s.

If you try to match the horizontal jbo of each of the components, then frequency 23855a will be smoother off axis as well as on axis.

Lutz, I had a similar setup jjbl ended up as per side 2- 15″ h’s 1- 12″ H 1- 2″ H on a A H tweeter I don’t think it was a ideal system but it had a lot of range. If you remove the snouts on your ‘s, you can bolt them onto 1. Hi Lutz What other components are you planning on using with the or horn? The frequency response was a little choppy. I have used nearly all 2″ horns jbl has made in various projects and while the will give you the wide dispersion, the X series of 1.

The ideal match for the would be the A Bi-Radial horn. After in taking into account your comments about room coverage.