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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Or, if you really like therun two of them with a degree angle between them.
The delay due to driver distance needs attention on this system. Others, have brought up the a horn as a possibility. Jbk A and the both have the same x degree coverage.
Your right, it does match the ‘s. Hi Lutz I can fully understand what you mean by the ‘s “sweet spot”.
JBL 2385a 60x 40 Flat Front Bi Radial Horn
One advantage not mentioned is the pattern control on the “large format” series over the flat-front series. Fortunately, most of this change is in it’s vertical dispersion pattern. The is nice but the is even better. But there are still some small changes in the horizontal dispersion as well. Is it your setup in your avatar? Should you consider a pair of the ‘s, I have a pair sitting in storage. But, assuming for a moment, that you really got your heart set on a 2″ throat Flat-Front Bi-Radial Horn, then swapping out the for something else might be a better choice.
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And for the a Horn there are several options, the “Slot” or the new with the right PT wave guide would be best. Can you post some pictures on it? Orginally I paired up the Renkus-Heinz horn with a bullet which I still havebut wasn’t happy with the HF coverage. 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?
This does make a difference when there aren’t any reflective walls and the crossover point is low. The matched up well with the Let me give this some thought. I had A’s on the system initially and preferred the A’s.
I agree that the is far too “long throw” for your room. I use A horn with h drivers in my ht. Something to consider is the dispersions characteristics of the other components. I forgot I have a pair of drivers mounted on BiRadial x horns. 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 mbl but it had a lot of range.
The ideal match for the would be the A Bi-Radial horn. Zilch has already done a lot of the hard work involved in designing a system around this pair.
JBL does or did make large biradial 22385a of that type–the series. You can tell the TRUE audiophiles by the size of their horns, eh? Unfortunately, that “sweet spot” is pretty small. Since, you are also suggesting on 3285a a 12″ driver as a low-mid range driver. I feel the jhl throw horns sound better in a room.
On the point of coverage, the a would do a better job. Make sure that you run the jbp the way up and just bring the UHF in at 10k or 12k with a 6db rolloff just to fill in the top end.
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. Also thanks for sharing your Xover points. I have done this and it sounds pretty darn good. I personally think that you would find that the a has too narrow a coverage. But still, when you are listening in that spot, boy it’s so sweet 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.
And switching to Hz cleared things up nicely. Based on the fact that the has a 90 degree horz. After in taking into account your comments about room coverage. 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.
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. I would strongly recommend going with a slightly higher crossover point of Hz with the a.
Hi Lutz, I have run all 235a flat front horns in all different sizes of room. The frequency response was a little choppy. Our jbll points are almost exactly the same.