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Thread: JBL 375 vs 2441?

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    JBL 375 vs 2441?

    I am planing to build a pair of 4 ways speakers using 2441 or 375 compression drivers. Which one sound better? 375 cost alot more but is it worth to spend the money?

    Thanks,
    Taylor

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    Re: JBL 375 vs 2441?

    The 2441 is the same driver as the JBL 376.
    The 2440 is the same driver as the JBL 375.

    The diaphragms are interchangeable with the 2441/376 being "preferred".

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    Administrator Mr. Widget's Avatar
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    The JBL model 375 does command a higher price as it is sought after by collectors as well as those who are not well informed. As Giskard said, the 375 and it's pro variant the 2440 and the 376 and it's pro variant the 2441 are the same item with only the diaphragms being different. The 375s with factory seals intact go for the highest amount, but the irony is that for the listener as opposed to the collector the original diaphragm is truly irrelevant as you probably should replace the diaphragm in any driver that is twenty to thirty or more years old! They will continue to play, but the distortion increases as the diaphragm ages.(through use)

    As to which sounds better... it is partially a personal preference thing, but I believe most would concur that the 2441 is a bit better.

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    RIP 2010 scott fitlin's Avatar
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    376/2441

    the 376/2441 are the ones to have! If you are a collector as has already been said, then the 375 is the most vintage, in terms of collectability and value! But, sonically, the 376/2441 is where its at! save yourself money and find 2441,s in good condition, and rediaphragm them, and enjoy!
    Last edited by scott fitlin; 10-06-2003 at 07:55 PM.

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    Smile

    Isn't a 2440 with a 2441 diaph., or 375 w/376 diaph., if the magnet is OK, the same thing?, or were there other changes?

    Alex.

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    RIP 2010 scott fitlin's Avatar
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    supposedly

    the 2440 and 2441 driver are the same except for the diaphragm! But, I have 2 2440,s and six 2441,s! We purchased the 2441,s new in 79-80! I got the two 40,s with a pair of 2395 lenses out of West point! The 40,s had the original 40 diaphragms, and I didnt care for them as much as the 41,s so I replaced their phragms with 41,s! The 41 phragms dropped right into the 40 gap with no problem, real easy. My 41,s you have to slightly push the prhagms down, and it seems that the gap is tighter!

    The 41 diaphragm in the 40 driver sounds great, and it sounds slightly different from my original 41,s! I think the gap may be slightly different on both drivers, but Im not really sure!
    Last edited by scott fitlin; 10-06-2003 at 07:58 PM.

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    Re: supposedly

    The 375/2440/376/2441 gap is supposed to be 0.036"

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    well, thats true!

    But conversely, the 40 phragm was a more snug fit in the 41 driver as well! I tried that too! The 40 phragm just drops right into the 40,s gap! I know the gap on both are supposed to be the same, but it doesnt feel like they are.

    The two lens horns I got came from West Points auditorium, they had their markings and labels on them and the diaphragm was dated apr 9 `74. We bought our 2441,s /w 2395,s in 1979-80 so to me its possible they changed something!
    Last edited by scott fitlin; 10-06-2003 at 09:26 PM.

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    Maybe the positioning dowels, if the coil rubbed You would hear it.

    Alex.

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    They fit!

    Both work perfectly, but the 41 feels like a more snug gap!

    The 40 sounded really good with the 41 diaphragm as well! Very open, and transparent.

    I dont care for the 40 diaphragm in either driver, I feel it has a more high pitched tonality! tried the 40 diaphragm in both assemblys!

    The 40 drivers with 41 phragms are what Ill use at home when I get Widgets wood horns! They will be powered by a vintage McIntosh MC-240.

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    Senior Member 4345's Avatar
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    2440vs 2441

    The big difference is the high freq. extension. The 2441 has a much more extended top end above 10k. If you use a tweeter, the differences might not be heard at all. If you have no tweeter above the 2" driver, the 2441 is MUCH better. Without a tweeter, a 2440 or 375 does not sound very good.

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    Re: 2440vs 2441

    Originally posted by 4345
    The big difference is the high freq. extension. The 2441 has a much more extended top end above 10k. If you use a tweeter, the differences might not be heard at all. If you have no tweeter above the 2" driver, the 2441 is MUCH better. Without a tweeter, a 2440 or 375 does not sound very good.
    well, Ill tell ya! I have my horns bandpassed at 7K where my tweeters come in, and I could hear a difference between both drivers using 41 diaphragms. I could also hear differences between the 40 and 41 diaphragm 750hz-7K

    Even with the freq range limited to 7K the 41 diaphragm sounds smoother and not as shrill as the 40 phragm! But what got my attention was the 40 driver with 41 diaphragm! These 40,s I got are older than my 41,s but the 40 with the 41 phragm has a really nice midrange sound to it!

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    Senior Member Ian Mackenzie's Avatar
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    So where does the ferrite 2445/6 sit with these Alnico motors?

    Ian

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    Administrator Mr. Widget's Avatar
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    I think the primary difference between the alnico drivers and the ferrite 2445 is weight and of course their diaphragms.

    Meyer Sound used to use modified 2441s in their bigger systems. When JBL stopped producing the alnico motors on a large scale Meyer went to the 2445 and replaced the titanium diaphragm with the 2441 aluminum one. They preferred the aluminum's sound quality and lower distortion. Their main complaint about the 2445 was it's heft. Since it uses the less efficient ferrite material it has to weigh significantly more. For pro applications where you are flying systems and bouncing them around the country the extra weight is an inconvenience and it places more of a strain on your horn if it isn't fully supported by the cabinet.

    The 2446 has a newly designed phase plug. It probably affects it's sound. I have no experience with this driver.

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    gauss spec on 2440+2441???

    I was looking in the specs on those drivers and it seems that the gauss spec is lower on the 2441 driver. Does anyone know why jbl lowered it on the 2441???

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