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 agree that jbk is far too “long throw” for your room. But, assuming for a moment, that you really got your heart set on a 2385s throat Flat-Front Bi-Radial Horn, then swapping out the for something else might be a better choice. The delay due to driver distance needs attention on this system.

Lutz, I had a similar setup that 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. You are using 10, I have been at And for some strange reason, I have always prefered the old driver to the ‘s, but thats just me. Let me give this some thought. I have done this and it sounds pretty darn good.

I use A horn with h drivers in jhl ht. Blaster, Thanks for the reply, I didn’t even think of a A.

I think based on what you are doing I will try moving my Xover point for my a little higher. I personally think that you would find that the a has too narrow a coverage. Forum members who have made room for them, even temporarily, report quite good results. I will post pic’s next week.

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JBL 2385a 60x 40 Flat Front Bi Radial Horn

Then the a might be better choice, as far as matching the 12″ driver’s dispersion characteristics at 1 KHz. Your right, it does match the ‘s.

Zilch has already done a lot of the hard work involved in designing a system around this pair.

Fortunately, most of this change is in it’s vertical jjbl pattern. Can you post some pictures on it? The is nice but the is 23885a better. 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.

And for the a Horn there are several options, the “Slot” or the new with the right PT wave guide would be best.

But hbl are still some small changes in the horizontal dispersion as well. After in taking into account your comments about room coverage. If you try to match the horizontal dispersion of each of the components, then frequency response will be smoother off axis as well as on axis. You can tell the TRUE audiophiles by the size of their horns, eh?

The A and the both have the same x degree coverage. Make sure that you run the all the way up and just 2385 the UHF in at 10k or 12k with a 6db rolloff just to fill in the top end.

I feel the shorter throw horns sound kbl in a room. For room coverage, I can fully understand why you like the baby-cheeks. One advantage not mentioned is the pattern control on the “large format” series over the flat-front series. The ideal match for the would be the A Bi-Radial horn. JBL does or did make large biradial horns of that type–the series. Here is a picture of a pair of ‘s with the snout removed and mated to a pair of DDS horns that are very similar to the in pattern. Baron, One more thought!

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Our ibl points are almost exactly the same.

A or A [Archive] – Lansing Heritage Forums

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 2385q room as a whole. On the point of coverage, the a would do a better job. Then I am not sure that any of the Flat-Front Bi-Radial Horns would be a good match as far as dispersion patterns are concerned. But still, when you are listening in that spot, boy it’s so sweet Something to consider is the dispersions characteristics of the other components.

Pictures and images JBL A – Audiofanzine

I would hbl 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 2385z sizes of room. Or, if you really like therun two of them with a degree angle between them. The frequency response was a little choppy. Thats why I changed to the baby-cheeks. Try an Hz crossover for the Others, have brought up the a horn as a possibility. Based on the fact that the has a 90 degree horz.

I forgot I have a pair of drivers mounted on BiRadial x horns. Also thanks for sharing your Xover points.