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Ok, I see....
So, with my room gain ~6-10 db at 30-50 Hz it will probably be fine with a box of 75 litre and a fb at 55Hz..... maybe a thinner coil for a higher Q?

Will get back with the result....

4313B:
Yes I know abou the ~113litres.....
But what puzzles me is that a 113 liters box will give a Q of 0.4..... A bit low?

A have the PC-program JBL Speaker Shop and the woofer is in the...

Things has come between me and my building project but will continue with the following setup:
077
2420/Coral horn = (H91) and Coral lens
2225

Anyone knows anything about the qestion below ??...

Hi All!

Tried the 2425/2370 horn the other day.... horrible for Hi-FI I think!

One thing though...
I saw that the 077 tweeter was labled with 8Ohm. Wasn't all the 077 with the prism, 16Ohm...

Bump: anyone knows anything about the qestion below ??

Ok thanks!

For the 2225h woofer it is recommended to use 85-285 litres....
If you calculate the values, optimum would be like...

How do you tell that it's a titanium dia?

/Patrik

I think that I have done that but I can't seet to find anything regarding Titanium....

http://www.lansingheritage.org/html/jbl/specs/pro-comp/2370.htm

/Patrik

I know that the ti version goes higher up in the freq. but is there anyone that has a plot or anything of the 2425(6)/2370 with the Ti diaphrame? Does anyone have any info on the caracteristcs?
...

I am too new to this...... I thought that Alu was the "original"....

SMKSoundPro: Cool, do you have any Equalization going on? Active or passive??

/Patrik

Hi!

The 2425j that I have (going to pick it up today) has a Titanium diaphrame. Does anyone know where to find a graph to compare to the official in aluminum ones?

Also, if I want to try...

Very interesting thread! below! Nice speekers also! I have bought 2425j/2370 and now have the following drivers:

2405h
2425j/2370
2225h

But, Is there anyone out there who has tested the...

Hi!

I have started a thread: http://www.audioheritage.org/vbulletin/showthread.php?t=19867&highlight=seeker&page=3
where I am proposing the following:
2405h - 077 8Ohm with the prism (former...

Anyone here that has tested 2405h(077)/2425(6)j?
If yes, what was your impression?
What combination of horn etc. did you use?

Listened to horns last night.... Damn, that is something else!
...

Ok, what do you mean by "I don't mess with H91 except as a matter of academic interest"? My English isn't that good I'm afraid...

Swapping the LE85 in the thread with the H91/2425. Do you think...

Thanks Zilch: Will I always be needing an equalization link or could that be avoided with a H91 and a lens? I was under the impression that a lens could make things easier...? Just something that I...

Dropping the room / bass diskussion for a moment.....

I was thinking of a H91/2425h-Titanium and a 077 (2405h) combo.
Probably, I will try creating a crossover point at 1200 between the 2225 and...

I have a pair of L36 today and I hope/think that this combo will be an upgrade.

I know it can't make miracles but an improvment...?

/Patrik

L300 was what I listened to but I don't have the space to house them. So I thought making a speaker with some simularities like 15" bass, 077 and perhaps the short hornand lens to be able to have the...

Hi All!

You are really on your toes here, trying to keep up with the replies as fast as I can....

Ok, the situation I have with a huge basslift I thought that it was better to swap bass...

speakerdave:
I have no possibilities to tweak or moderate my room and the placement of the speakers and the position of where I am sitting is kind of fixed... Children does make the speakers tend...

speakerdave: My plan was not to exacty copy the crossovers, more like having someting to tweak.... I know trhat the midrange drivers and woofers aren't the same...

Ok, you perhaps think that they...

Hi!

matsj: I live in Gothenburg and I don't know if you are the same mats that I am bying the bass and midrange drivers from but one thing is defenetly clear, you stole the L300 from a friend of...

richluvsound: Do you mean the original crossover to L300?
One question though, What does it mean when JBL shows on the schematics that you should take the signal from the middle (AS IT LOOKS) of the...

Is there anyone else that perhaps has input regarding sutable crossovers ?

Also a sutable horn and lens..... Was thinking about H91??

/Patrik

Hi!

richluvsound: I already have the drivers I'm afraid. Thanks anyway!
But I am not so sure that the deeper bass won't be sufficient enough because I will have the speakers close to the wall...