Iv’e never tried to kill a 2269. My SUB18 has an ITECH 5000HD bridged driving it and it is just stupid how hard it plays.
I for fun should put a 2242 in that box and see how different it is. 2269’s are amazing.
Barry.
Iv’e never tried to kill a 2269. My SUB18 has an ITECH 5000HD bridged driving it and it is just stupid how hard it plays.
I for fun should put a 2242 in that box and see how different it is. 2269’s are amazing.
Barry.
If we knew what the hell we were doing, we wouldn't call it research would we.
In actual use it depends on how the peak limiters are set up and any compressors.
Most high powered domestic powered subs have dynamic limiters and thermal limiters to minimise a failure.
Some modern pro power amps built in limiters.
https://jblpro.com/en-US/site_elements/2241h-data-sheet
http://warehousesound.com/r/jbl2242H.pdf
I’ve had a quick at the differences between the 2241 and the 2242.
On paper the 2242 has a higher spec.
But in a domestic diy user case the differences may not be that important.
The 2242 has a longer peak excursion limit before damage of 50mm versus 40mm in the 2241. But the 2242 needs a somewhat larger optimal enclosure of 10 cubic feet versus 8 cubic feet for the 2241. The 2241 appears to have a flatter midrange response and a better low frequency response than the 2242 ( un assisted). Noted the 2241 QTS is 0.40 which is considerably higher that the 2242 with a QTS of 0.28. This accounts for different low frequency performance.
The 2242 has a bit less power compression at full power.
For personal diy use the 2241 is potentially an easier driver to set up. If it were me l might consider a compound driver arrange in push pull offering the benefit of half the enclosure volume @4 cubic feet using dual drivers in parallel.
From memory the Clair Bros S4 compound system used 2 x 2241, 4 x E110, 2 x 2441 and 2 x 2405. Used in banks 4 or 8 systems a side front of house the S4 exhibited excellent low frequency reproduction to my ears.
A single 2241 with dual 2123, a 2250 on smith horn with 2405 would probably be a really cool diy project.
A bit of bass boost @ 32 hertz can usually bring a sense of balance in most situations because the woofer has the cone area and the displacement to make it happen.
Hmm. How does a 2269 compare against a 2245? 2269 looks pretty rad, like one of those units you'd see multiples of stuffed in the trunk of car. I'm most concerned with accuracy and musicality though, not rattling all the fasteners out of my car or fillings from my teeth.
I haven’t had a 2245 on a proper box in my house in a long time. I broke a couple and moved on. That said, I think they are the most musical, if you can say that about a sub, of the three mentioned in this thread title.
That said, my SUB 18 is very musical and has some sonic signature that I don’t have good language to explain. It has this crazy energy that makes 20 Hz seem like a square wave. Not distorted like playing an impossible for a sub to recreate square wave, just clean hard energy.
Audio has very few words of its own, nearly all are borrowed and many of them are quite vague. Often I just don’t know how to describe what I hear and feel.
One other thing that is different about this set up is that I have never put as much power on one driver. 5000 Watts is a lot of headroom on a single driver.
Barry.
If we knew what the hell we were doing, we wouldn't call it research would we.
Looks like I will be content with my 2245's.
http://warehousesound.com/r/jblTECHNOTE3-4.pdf
This pdf is a good read for those interested in the evolution of the 2242 through to the 2269 drivers.
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