My K 145 were reconed vith the E-145 type suspension (M roll) I don't know the real parameters presently. I'd like to make a new enclosure versus the one I have (4,5 cu ft according to JBL plans) I could go around 7 cu ft in a bass reflex enclosure. What should I measure with for res freq with ohm meter and audio generator (that's what I have presently)?
This project is going to be a 3 way system mainly for music and occasionally video films or live music shows...
Components are: JBL K-145 reconed, AE TD-8 M, JBL 2420 with McCaully horn lens (9 inches)
I want to use these components even under their natural bandwidth. I will use the DCX 2496 3 way stereo electronic Xover with great flexibility, (delay, choice of different xover types, etc) Xover choice (not final) From bass to 300HZ, 300Hz to 2KHz for the AE TD8M, and 2kHz to end for the 2420.
I already have a a fully revamped Phase Linear 700B for bass, a Crown D-150 for lo-mid and I have to find an amp for the 2420... It is a project for the long run... I'm not in a rush.
And another question: Should-I use two separate enclosures, one for bass and the other for lo-mid to high speakers?
I want to make cabinets from Baltic Birch (I can get, even 4X8 sheet of any thickness) probably 3/4" and well braced for bass cabinet.
Any suggestions are wecome!
Sorry for my english