Attention: L90 (L7) owners. Need assist.

[[email protected]]

I have recently purchased two jbl 12" drivers (LE120H-1) that I believe are used in the L90 (and maybe L7). I bought these because they supposedly work well in a smallish cabinet. I have some tentative T/S parameters, but what I would really like are the cabinet and port dimensions of the L90. That way I can start by duplicating the cabs and the port tuning. I know the L90 has internals, but with heavy internal bracing I think it would amount to about the same volume.

Are there any L90 owners out there? If not, I think the L7 should work.

vH pH

[paragon]

Yes, here is,
Wait, tomorrow i will post dimensions and port.
L 90 is going down till 40 Hz and sound is awefull.

[[email protected]]

Thank you, Paragon. I will be testing these as subs, so I will only be needing the bottom octave(s). 40 Hz is fine for my room.

How would you describe the bass in the L90's?

vH pH

[paragon]

"Dry" and punchy ! . The best you can get.

[Titanium Dome]

I have two Fosgate Audionics CSS200 THX subs, and they have LE120H-1 drivers in them. These are passive units that weigh over 80 pounds. I've thought about adding plate amps to them, but that would take them up to near 100 pounds, and I already have plentry of extra amps to use externally.

The seven L7s I have all have the LE120H-1 driver as well, and in that side-firing enclosure, they are very articulate and powerful. They work best in pairs, properly positioned to reinforce each other a la the owner's manual.

[[email protected]]

OK, Paragon (and others). I found the box measurements in another thread (by Paragon) WxHxD 400x600x340 mm. Now I just need the port dimensions

vH pH

[paragon]

Sorry, forgotten,

Will measure it tomorrow morning and post it.

Eckhard

[paragon]

Sorry, but now :

Is about 4" dia (with a "soft" opening) and 7.1 " long (10cm x 18cm long).

Eckhard

[[email protected]]

Sorry, but now :

Is about 4" dia (with a "soft" opening) and 7.1 " long (10cm x 18cm long).

Eckhard

OK, thanks. That is actually a great help, because it seems longer than I figured initially.

I will report back when the things are built.

vH pH