Fm = Vb = 37.8 hz
That's about what I got with an impedance run in CLIO.
Fm = Vb = 37.8 hz
That's about what I got with an impedance run in CLIO.
For my use with 2235's, that figure means its tuned to 37.8hz, right?
After stuffing one port(wadded up foam - I know it's not perfect - just wanted to hear a change to help me think it out), I installed a slightly smaller ID port and longer. Helped, but not enough to work for me.
Ron
JBL Pro for home use!
Which PE plate amp do you have??? Is yours set for flat??? That's a 40Hz box and it will boom like hell with 2235's especially lying down. You need to tune it lower say 28-30Hz and stand it up. 2235's are punchy compared to Le14's, they don't need that much boundry reinforcement help. In the right box and tuning they can sound damn good. You really want them rolled off a bit depending on where you put them in your room. Like an extended bass alignment.
Rob
Hi Ron
After measuring the driver and vented box tests, use the 'align vented box' button in the TS window to adjust the simulator to the in-box data. Basically this option iterates the simulator till a solution is found where the impedance peaks line up in frequency and amplitude. Its a lot easier and more accurate (IMO) than the old method. Be sure to use the Rem/Xem non linear inductance as well throughout for best results.
Keith
PS: Ive met a few LH members here at the CES. If anyone else is at CES, I am in the Venetian San Polo room 3502-3503-3504 booth 404.
Hi, Keith.
Be sure to go hear the new JBL flagship Everest II if you get a chance, and let the forum know what you think of it!
If things slow down enough today I will try to find the JBL booth and have a look and listen of the Everest. But they dont seem to be listed as JBL. No problem, ... parent company name but I expect there will be multiple booths to hunt down!
Best regards
Keith
Here you go Keith!
http://www.audioheritage.org/vbullet...t.php?p=141466
Talk to Giskard as to what he will do with them when he is done.
I gave them to him to do with as he sees fit once he has finished with them.
Ron
JBL Pro for home use!
Right now both are loaded with dual 1500AL's which sound really nice.
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