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ubermensch
06-03-2005, 08:32 PM
Hello,

I have a set of old JBL 044Ti in a DIY mix of divers.
I'm tweaking the Xovers and don't have any specs for the 044Ti.
Does anyone have specs on this driver?

Thanks in advance, Ken

johnaec
06-03-2005, 09:32 PM
A search will turn up more info, but there's some good info in this thread, at least for specs - check it through: http://www.audioheritage.org/vbulletin/showthread.php?t=450&highlight=4313

John

ubermensch
06-04-2005, 02:50 PM
Thanks for the advice but, I really didn't come up with anything useful in my search.
I did find it entertaining the these drivers are so revered.
As far as tweeters go for music reproduction they suck, hence the Xover upgrade!
I only use mine for the Master bedroom video system.

hector.murray
06-04-2005, 03:27 PM
What are the existing crossovers? What is the HF circuit like? What are the caps - oil. electrolytic, what???
And what is it you're using for tweeters for music reproduction that don't "suck".

jblnut
06-04-2005, 03:37 PM
As far as tweeters go for music reproduction they suck, hence the Xover upgrade!
I only use mine for the Master bedroom video system.


BWAHAHAHAHAHA....stop it...you're killing me ....:)

Giskard...where are you when we need you bud ?

jblnut

ubermensch
06-04-2005, 04:59 PM
The caps are electrolytic....
They will be changed to Mundorf Supreme Silver/Oil or Silver/gold.

My main system uses the 2404. (These don't suck)

Now that I have everyones attention, may I have the specs plleeeeaase?

Don C
06-04-2005, 05:12 PM
When I first bought my 240TI speakers, I noticed that the high end seemed to be rolled off. I rebuilt the tweeters with new JBL kits and the problem was corrected. I think that the main problem was the foam behind the tweeter dome. It had rotted and turned into a sticky lump, the new diaphragm kits had a nice new peice of foam.
Old foam:

Don C
06-04-2005, 05:13 PM
Sorry, I don't know where to find the specs.
New Foam:

Don C
06-05-2005, 11:59 AM
Ubermensch, your account is set up to refuse PMs, so I cannot respond to your PM.

andresohc
06-05-2005, 02:24 PM
Well, good luck with your email to JBL and have a great day:).
As I said this tweeter sucks, probably there worst offering.
To state my intent again, was to IMPOVE ITS SOUND QUALITY.
But, that's OK I'll e-mail JBL (which is what I should have done in the first place)

Mr. Widget
06-05-2005, 10:59 PM
Well, good luck with your email to JBL...
I have to second that comment. I doubt you'll get much from them... but you never know.

I'd love to help, but alas I am more of a JBL horn guy. I have used domes from Peerless, Audax, Focal, Dynaudio, and SEAS, but never from our beloved JBL.

Good luck with your quest, perhaps others will overlook your strong opinion of them and try to help.

Widget

Mr. Widget
06-06-2005, 12:46 AM
I did find it entertaining the these drivers are so revered.
As far as tweeters go for music reproduction they suck...

I had another thought. Is it possible that your units are no longer up to spec.? I used to think that speakers either worked or they didn't... far from it. There are numerous events that can detrimentally affect the performance of a driver... especially a tweeter. The tolerances required for high frequency units are extremely tight. A slight bump and the magnet/pole piece can easily shift enough to radically affect performance.

What is the history of these drivers?

Also, you may be on the right track with looking at the network. The 077 has a bad rap as many listeners heard them for the first time in the L65 where they are asked to play down too low in my opinion. Sure many love their L65s, but many others found the highs a bit over zealous and hard. The same tweeter in different applications can sound quite musical. Perhaps you are not getting the best performance possible from the 044Ti tweeters. Have you heard them in a proper JBL system?

Widget

hector.murray
06-06-2005, 04:10 AM
I'm sure some of Bose offerings will be more to your liking.

Mr. Widget
06-06-2005, 09:24 AM
Hector,

Which Bose tweeter were you thinking of? I can't remember them ever offering a dome.;)

Widget

Robh3606
06-06-2005, 09:48 AM
"The current 044Ti replacement diaphragms are improved. You were given a pair of them Don. I will not elaborate but here's a hint... the contact point of Cu and Al..."

Same as the 046 and 046-1 in the Ti series!!

Thanks

Rob:)

Alex Lancaster
06-06-2005, 12:10 PM
:) Well, apart from the BS, I am glad Giskard is posting as a "former", as in VC former?; member? as in what?, anyway :).

Don C
06-06-2005, 12:18 PM
Yes, I think that we have discovered the secret to retaining Giskard's presence, just post some outrageous nonsense about a JBL product, and Giskard will be compelled to come back to the forum and straighten us out.

Those LE14H-1s suck too. :p

dblaxter
06-06-2005, 12:34 PM
hi giskard ,
i wish you were accepting PM's , dont let some goofball turn you around on the rest of us , is that why you turned it off ,

Ian Mackenzie
06-06-2005, 01:10 PM
I had a set of either 044's or 066 's to play with some years ago...I thought in some ways they were better than the 077.

However its all relative and as it seems there are revisons. Tweeters have come along way in the past few years and while all other brands and designs may be off topic around here there frankly are better tweeters out there but we are talking current soa technology not a JBL model of 20 years ago.

Perhaps that's the real flaw in this whole thread. We're mostly talking about fairly old designs around here and while that needs to be respected "we" need to appreciate the rest of the world is mostly thinking and listening to current technology particularly. So they fly in here comparisons need to be qualified.

Remember the good old days when we could buy the JBL consumer LE Kits.

I am sure if I grabbed the lastest tweeter out of the LSR series monitors it would measure and sound as good anything around.

Ian

Mr. Widget
06-06-2005, 02:31 PM
Why put Supreme capacitors in front of drivers that suck!? 2404H? Doesn't suck!? Compared to an 044Ti!? For what application!? The 2404H was for SR, really loud with a controlled dispersion pattern. The 044Ti was for home hi-fi.

Before coming to this forum, I used to say that Altec's sucked. I used to say, most JBL horn systems sucked. I personally still don't find audio nirvana in either of these, but I realize others do. I guess they don't suck, they just aren't for me. This audio thing is so damn subjective we have to take people's opinions as only that... opinions.

Perhaps Ken here prefers more of an in your face PA type of sound. It will be difficult to get that out of a refined dome tweeter... I doubt that Mundorfs are the solution either.:blah:

Widget

BTW: Even though I don't see an Altec Model 19 or a JBL S8R in an Olympus cabinet as audio nirvana, I'd still love to have them both.:)

Titanium Dome
06-06-2005, 04:13 PM
Remember the good old days when we could buy the JBL consumer LE Kits.

I am sure if I grabbed the lastest tweeter out of the LSR series monitors it would measure and sound as good anything around.

Ian

If we limit ourselves to contemporary real world grade tweeters, the LSR tweeter is a great example. Plus, there's always this:

JuniorJBL
06-06-2005, 04:13 PM
Yes, I think that we have discovered the secret to retaining Giskard's presence, just post some outrageous nonsense about a JBL product, and Giskard will be compelled to come back to the forum and straighten us out.

Those LE14H-1s suck too. :p


2242's they are horrible:applaud:

4313B
06-06-2005, 06:59 PM
2242's they are horriblehttp://audioheritage.org/vbulletin/images/smilies/applaud.gifhttp://www.austinserver.com/phpBB2/images/smiles/colere.gif (http://javascript<b></b>:emoticon(':curse:'))http://www.austinserver.com/phpBB2/images/smiles/icon_censored.gif (http://javascript<b></b>:emoticon(':censored:'))http://www.austinserver.com/phpBB2/images/smiles/colere.gif (http://javascript<b></b>:emoticon(':curse:'))http://www.austinserver.com/phpBB2/images/smiles/icon_censored.gif (http://javascript<b></b>:emoticon(':censored:'))http://www.austinserver.com/phpBB2/images/smiles/colere.gif (http://javascript<b></b>:emoticon(':curse:'))http://www.austinserver.com/phpBB2/images/smiles/icon_censored.gif (http://javascript<b></b>:emoticon(':censored:'))http://www.austinserver.com/phpBB2/images/smiles/colere.gif (http://javascript<b></b>:emoticon(':curse:'))

Wow! Not much useful information there eh? http://www.austinserver.com/phpBB2/images/smiles/sml_hmm.gif (http://javascript<b></b>:emoticon(':hmmm:'))

http://audioheritage.org/vbulletin/images/smilies/wink.gif

JuniorJBL
06-06-2005, 07:06 PM
If you read between the lines......:rotfl: :rotfl: :rotfl:

Alex Lancaster
06-06-2005, 08:18 PM
:p 2242's suck, but they also blow, very hard.

JBL Dog
06-07-2005, 12:35 PM
:p 2242's suck, but they also blow, very hard.

Geez, I have four of them. Can anyone assist me in disposing them?

:p

JuniorJBL
06-07-2005, 01:00 PM
Geez, I have four of them. Can anyone assist me in disposing them?

:p

I have two 10cu ft speaker ca... uh.. I mean dumpsters I could put them in for you.:uhmmmm:

Titanium Dome
06-07-2005, 01:00 PM
Geez, I have four of them. Can anyone assist me in disposing them?

:p

I could use something that both sucks and blows, but only one. I can't really handle all four at once.

JuniorJBL
06-07-2005, 02:25 PM
Geez, I have four of them. Can anyone assist me in disposing them?

:p

I will only do this because they SUCK and BLOW so bad:applaud:

Alex Lancaster
06-07-2005, 06:17 PM
:) Dog: You know You can always count on me, just send them to my address in TX, no problem.

MP91
06-08-2005, 03:40 AM
http://www.austinserver.com/phpBB2/images/smiles/colere.gif (http://javascript%3Cb%3E%3C/b%3E:emoticon%28%27:curse:%27%29)http://www.austinserver.com/phpBB2/images/smiles/icon_censored.gif (http://javascript%3Cb%3E%3C/b%3E:emoticon%28%27:censored:%27%29)http://www.austinserver.com/phpBB2/images/smiles/colere.gif (http://javascript%3Cb%3E%3C/b%3E:emoticon%28%27:curse:%27%29)http://www.austinserver.com/phpBB2/images/smiles/icon_censored.gif (http://javascript%3Cb%3E%3C/b%3E:emoticon%28%27:censored:%27%29)http://www.austinserver.com/phpBB2/images/smiles/colere.gif (http://javascript%3Cb%3E%3C/b%3E:emoticon%28%27:curse:%27%29)http://www.austinserver.com/phpBB2/images/smiles/icon_censored.gif (http://javascript%3Cb%3E%3C/b%3E:emoticon%28%27:censored:%27%29)http://www.austinserver.com/phpBB2/images/smiles/colere.gif (http://javascript%3Cb%3E%3C/b%3E:emoticon%28%27:curse:%27%29)

Wow! Not much useful information there eh? http://www.austinserver.com/phpBB2/images/smiles/sml_hmm.gif (http://javascript%3Cb%3E%3C/b%3E:emoticon%28%27:hmmm:%27%29)

http://audioheritage.org/vbulletin/images/smilies/wink.gif

It looks nice.
Concerning 044 Ti, I finally took apart my tweeters for checking.
They look like on pictures.
It looks like everythings are glued together and I don't know how to take diaphragm out from magnet.
Any idea ?
I need reference of replacement kit and where I can buy it for shipment to France.
Thanks for answering.
Michel.

JuniorJBL
06-08-2005, 06:49 AM
There is a ring of double stick tape on the back around the voice coil.
Shane

Don C
06-08-2005, 08:40 AM
Mine were glued together. Before the pictures got deleted (I don't know who deleted them or why) the picture showed the glue. I had to use a putty knife to separate the diaphragm from the pole piece. The original diaphragms were destroyed in the process. Giskard mentioned that not all 044Tis are glued together, and I did not glue them when I re-assembled them.

Mr. Widget
06-08-2005, 09:23 AM
Mine were glued together. Before the pictures got deleted (I don't know who deleted them or why) the picture showed the glue.

The tweeters were naked... they had to be removed under our current decency trend in the USA.:D

OK, post them again if you want....

Widget

hector.murray
06-08-2005, 07:27 PM
Now, silly me. These look ALOT like an 033, where the brown phonelic back plate is glued to the outer diaphragm. It would stand to reason that a replacement would come complete, with the entire back plate. Similar to what you recieve when you get on 035ti replacement diaphragm (along those lines, you get what I mean) .

Don C
06-08-2005, 09:52 PM
That is correct, the kit comes with the plate pre-assembled. But unlike the 035 type, there are no dowels molded in to ensure correct alignment, the voice coils need to be centered with a signal generator while the screws are tightened.

Don C
06-08-2005, 09:56 PM
This is what it looked like splitting the diaphragm from the pole piece with a putty knife.

MP91
06-09-2005, 08:21 AM
Thank you for picture.
I will wait to get replacement kit before operating.
Seems to be not easy.
Any idea where I can buy it ?

Robh3606
06-09-2005, 09:15 AM
"Any idea where I can buy it ?"

JBL does not sell their recone kit's to the general public. They only distribute them to authorized service centers where they will be installed by a trained technician. What you can do is see if they have them in stock and order them from you local authorized center. You do see them on Ebay from time to time but you never know when they will pop up.

Rob:)