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post #1 of 43 Unread 10-14-2014, 01:02 PM - Thread Starter
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Holy Crap they are here!!!


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MKtheater -I just saw 300 tonight, great movie. I literally wanted to spear people after the show
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post #2 of 43 Unread 10-14-2014, 01:07 PM - Thread Starter
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MKtheater -I just saw 300 tonight, great movie. I literally wanted to spear people after the show
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post #3 of 43 Unread 10-14-2014, 01:08 PM - Thread Starter
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MKtheater -I just saw 300 tonight, great movie. I literally wanted to spear people after the show
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post #4 of 43 Unread 10-14-2014, 01:11 PM - Thread Starter
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I want to thank Scott for helping me spend my money and Carl Huff for the help in procuring these costly little beasts.
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MKtheater -I just saw 300 tonight, great movie. I literally wanted to spear people after the show
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post #5 of 43 Unread 10-14-2014, 01:31 PM
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Originally Posted by kingpin111 View Post
I want to thank Scott for helping me spend my money and Carl Huff for the help in procuring these costly little beasts.
Great guys hey Anyone who can spend your money is thank you worthy
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post #6 of 43 Unread 10-14-2014, 03:01 PM
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Just stop taking Coldfx for a bit and you will make the money back :P
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post #7 of 43 Unread 10-14-2014, 03:08 PM
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OOooooohhhhh sssshhhheeeeeiiiiittttt!!!!!





It just got Beryllium, son.
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post #8 of 43 Unread 10-14-2014, 03:09 PM - Thread Starter
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Just stop taking Coldfx for a bit and you will make the money back :P
Hah! Cold FX is gold. If I feel the tiniest thing coming on I pop those like candy and I don't get sick. It's been 5 years now.

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post #9 of 43 Unread 10-14-2014, 03:20 PM
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Nice! What are they going in?
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post #10 of 43 Unread 10-14-2014, 03:40 PM
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post #11 of 43 Unread 10-14-2014, 04:13 PM - Thread Starter
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Originally Posted by Nate Hansen View Post
Nice! What are they going in?
Front, and center speakers.
They are replacing the titanium diaphragms in the JBL 2446h's.

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post #12 of 43 Unread 10-14-2014, 04:26 PM
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Originally Posted by kingpin111 View Post
Front, left and center speakers.
They are replacing the titanium diaphragms in the JBL 2446h's.
Have you been listening to those? I really, really want to know what you think of the new diaphragms but I'd also be very interested in what you think of the new ones compared to the titanium ones. Honestly. Hope your findings are consistent with those posted of others with them.

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post #13 of 43 Unread 10-14-2014, 04:36 PM - Thread Starter
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Originally Posted by Scott Simonian View Post
Have you been listening to those? I really, really want to know what you think of the new diaphragms but I'd also be very interested in what you think of the new ones compared to the titanium ones. Honestly. Hope your findings are consistent with those posted of others with them.
Unfortunately I won't have a chance. But there will be a special pair of ears that I am sure will be able to give you feedback and maybe "measurements" of the stock and the Be's.
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MKtheater -I just saw 300 tonight, great movie. I literally wanted to spear people after the show
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post #14 of 43 Unread 10-14-2014, 05:04 PM
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I thought these were diaphragms but the size of them threw me off. WOW. Those are huge. Maybe normal to everyone who has seen diaphragms before. I have not. Carl......that guy. He definitely knows how to spend some money.
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post #15 of 43 Unread 10-14-2014, 05:06 PM
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These are large because they are 4" diameter.

Most CD's for HF use are only 1" diameter.
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post #16 of 43 Unread 10-14-2014, 05:09 PM
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I think you meant to say:

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Originally Posted by kingpin111 View Post
Unfortunately I won't have a chance. But there will be a NOT-SO-special pair of ears that I am sure will be able to give you feedback and maybe "measurements" of the stock and the Be's.
I can try. But if the response changes between the phragms then I'll need to eq them the same and try and change the phragms quickly. I could use my minidsp to do that experimentation. And if kingpin makes it out this way we could take the time to switch them back and forth. He wants me to do the swap over though cause with that kind of dough he doesn't trust himself and frankly I don't trust myself, but faked it well enough I guess

This is gonna be fairly epic if I may say. I'm not sure how much kingpin wants to keep under wraps, but hopefully he'll share his plans with everyone. Major output and major fidelity would be an understatement
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post #17 of 43 Unread 10-14-2014, 05:11 PM
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Originally Posted by Scott Simonian View Post
These are large because they are 4" diameter.

Most CD's for HF use are only 1" diameter.
Makes sense. I now can add this to the knowledge bank.
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post #18 of 43 Unread 10-14-2014, 05:12 PM - Thread Starter
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Quote:
Originally Posted by tuxedocivic View Post
I think you meant to say:



I can try. But if the response changes between the phragms then I'll need to eq them the same and try and change the phragms quickly. I could use my minidsp to do that experimentation. And if kingpin makes it out this way we could take the time to switch them back and forth. He wants me to do the swap over though cause with that kind of dough he doesn't trust himself and frankly I don't trust myself, but faked it well enough I guess

This is gonna be fairly epic if I may say. I'm not sure how much kingpin wants to keep under wraps, but hopefully he'll share his plans with everyone. Major output and major fidelity would be an understatement
Oh man...maybe I got the wrong guy for the job.

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MKtheater -I just saw 300 tonight, great movie. I literally wanted to spear people after the show
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post #19 of 43 Unread 10-14-2014, 05:17 PM
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It's the size that makes them special. All that extra Sd lets you cross much lower than a typical 1" exit CD with a <2" diaphragm. But it does come with some drawbacks. Those are mostly 1. beaming at high frequencies and 2. break up at high frequencies. The truextents try to fix problem 2. But problem 1 isn't easily fixed. Thankfully problem 1 isn't much of a problem IMO provided this is a 'sit down a listen in the money seat' kind of speakers. The only other drawback I can think of is cost, which kingpin has accomodated in his budget.
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post #20 of 43 Unread 10-14-2014, 05:22 PM
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Yeah, I wish I could afford them. It made more sense for me to go the way I did (3-way active) but sometimes I think about these. No, I think about them a lot! Haha.

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post #21 of 43 Unread 10-14-2014, 05:46 PM
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Ya but you have also implemented a different successful method. You have a sensitive mid that can cross very low. I can't see how your implementation is any way inferior. It's just different.
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post #22 of 43 Unread 10-14-2014, 05:55 PM
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"I can't see how your implementation is any way inferior. It's just different."


1. additional octave before phase roll
2. additional detail/resolution
3. point source coherency over an additional octave


as for how much those points matter, well...

Listen. It's All Good.
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post #23 of 43 Unread 10-14-2014, 06:03 PM
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Originally Posted by tuxedocivic View Post
Ya but you have also implemented a different successful method. You have a sensitive mid that can cross very low. I can't see how your implementation is any way inferior. It's just different.
Aww, thanks. It's just a different list of compromises as John mentions below.

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Originally Posted by LTD02 View Post
"I can't see how your implementation is any way inferior. It's just different."


1. additional octave before phase roll
2. additional detail/resolution
3. point source coherency over an additional octave


as for how much those points matter, well...
Thanks. Yeah it's not perfect but there are tradeoffs with both. I decided to give up point source coherency and possible additional resolution for affordability. My method also allows for a lower cross to the bass which the Be system wouldn't be able to do.

Just more things to try out in the future when I have money again.

But anyway.. this is about kingpin and his system. It's gonna rock!

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post #24 of 43 Unread 10-14-2014, 06:31 PM
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"...there will be a special pair of ears that I am sure will be able to give you feedback and maybe "measurements" of the stock and the Be's."


:-)
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post #25 of 43 Unread 10-14-2014, 06:44 PM
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What is the necessary entry size on the waveguides for these big JBL-2446 compression drivers?

I have lonely Seos-18 waveguide looking for a compression driver mate! Only problem is that it only has a 1" entry size. I have been considering a BA-750 with a JBL-2226 but, this will be my center channel and I really want to see about purchasing a Seos-24 with a nice compression driver with a Be diaphragm. I came across a JBL-2446 for $150, and as of right now I can finally afford to purchase one Be diaphragm, so this is something that I am heavily considering!
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post #26 of 43 Unread 10-15-2014, 01:05 AM - Thread Starter
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Quote:
Originally Posted by Scott Simonian View Post
Aww, thanks. It's just a different list of compromises as John mentions below.



Thanks. Yeah it's not perfect but there are tradeoffs with both. I decided to give up point source coherency and possible additional resolution for affordability. My method also allows for a lower cross to the bass which the Be system wouldn't be able to do.

Just more things to try out in the future when I have money again.

But anyway.. this is about kingpin and his system. It's gonna rock!
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MKtheater -I just saw 300 tonight, great movie. I literally wanted to spear people after the show
My speaker build PROJECT OVERKILL WWMTMSS
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post #27 of 43 Unread 10-15-2014, 01:14 AM
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2" marty.


http://www.jblpro.com/pub/components/2446.pdf

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post #28 of 43 Unread 10-15-2014, 03:20 AM
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Does anyone know how the JBL-2446 compares to the JBL-2447? If someone were planning to swap out the stock diaphragms for Be diaphragms, as the OP has done, would there be any advantages in SQ by going with the 2447 over the 2446?
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post #29 of 43 Unread 10-15-2014, 03:31 AM
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Quote:
Originally Posted by kingpin111 View Post
Front, left and center speakers.
They are replacing the titanium diaphragms in the JBL 2446h's.
This is so exciting! I can't wait to hear your impressions of these big JBL's with those Be diaphragms!

What driver are you planning to use for the woofers and where do you intend to cross them? Are you going with a passive crossover? With the money that you have invested in these Be diaphragms, it would be really nice to see you go full active in order to take advantage of active DSP and EQ filters as these big 2" JBL''s may need some additional tweaking via DSP/EQ in order to really reach their full potential. Then again, they may not , but, we don't really know as there aren't any build threads with Be diaphragms in JBL-2446's so this is kind of uncharted territory here on AVS!

Also, last but not least, what horn or waveguide are you planning to use? Perhaps the Seos-24? Or an iWatta?
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post #30 of 43 Unread 10-15-2014, 06:58 AM
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