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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Can you post some pictures on it? Jbll, you are also suggesting on using a 12″ driver as a low-mid jbbl driver. Hi Lutz I can fully understand what you mean by the ‘s “sweet spot”. I personally think that you would find that the a has too narrow a coverage.

Unfortunately, that “sweet spot” is pretty small. You are using 10, I have been at Blaster, Thanks for the reply, I didn’t even think of a A.

Hi Lutz, I have run all three flat front horns in all different sizes of room. But still, when you are listening in that spot, boy it’s so sweet Baron, One more thought! I would strongly recommend going with a slightly higher crossover point of Hz with the a. The matched up well with the 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. Zilch has already done a lot of the hard work involved 2385 designing a system around this pair.


Is it your setup in your avatar? 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.

JBL A 60×40 Bi-Radial Horn ( Hz)

One advantage not mentioned is the pattern control on the “large format” series over the flat-front series. 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.

The ideal match for the would be the A Bi-Radial horn. I use A horn with h drivers in my ht. The is nice but the is even better. I think based on what you are doing I will try moving my Xover point for my a little higher. And for some strange reason, I have always prefered the ibl driver to the ‘s, but thats just me. Or, if you really like therun two of them with a degree angle between them.

Our others points are almost exactly the same.

Should you consider a pair of bjl ‘s, I have a pair sitting in storage. But there are still some small changes in the horizontal dispersion as well.


For room coverage, I can fully understand why you like the baby-cheeks. After in taking into account your comments about room coverage. You can tell the TRUE audiophiles by the size of their horns, eh?

I have done this and it sounds pretty darn good. Others, have brought up the a horn as a possibility.

JBL 2385A FLAT-FRONT BI-RADIAL (Free Shipping)

And for the a Ubl there are several options, the “Slot” or the new with the right PT wave guide would be best. If you remove the snouts on your ‘s, you can bolt them onto 1.

Your 2358a, it does match the ‘s. The frequency response was a little choppy. I agree that the is far too “long throw” for your room. I will post pic’s next week. The delay due to driver distance needs attention on this system.

Pictures and images JBL A – Audiofanzine

Hi Lutz What other components are you planning on using with the or horn? Also thanks for sharing your Xover points. On the point of coverage, the a would do a better job.