Bad_mojo said:
Just looking for "best sound" for a 2-way use.... add to that
consistency and ease to develop an x-over... any opinions?
Bad_mojo said:
Ok, I like the added bass of the 830884 and the high sensitivity.
If I were to go along with that 8", when would "beaming" come
into play? I've read about that but I still don't understand it.
Mo
Prefer to avoid a sub. I've been worried about the vertical distance between the two acoustic center causing strong lobing. To make a make a real difference I might need to go to back to a 5 1/2" or smaller even. Is that worth it? Might not be. Can anyone confirm if my thinking is more or less accurate?DcibeL said:...My advice would be that if you wish to use a sub-woofer in your system, choose the smaller drivers...
...The issue you'll run into in crossover design is phase alignment due to the larger difference in acoustic centers when using a larger driver...
Looks really nice DcibeL. Glad to see someone made the big 8" work in a 2-way. Hope you don't mind I got tones of questions for you...
I know it's not exactly what you're looking for since you want to use a seas tweeter, but have a look at my design using the 830884.
I know. This speaker business seams to be all about compromise. Just worried about muddiness in the mid-range. Any sign of it in your system?...As far as "best sound"....Terrible question...
marchel said:Here is the project I'm talking about , it is not yet finished tough, so I cant comment on how they sound, But I hope they would sound good. Link to the project
In my design, the drivers will run out of excursion at around 30W at 30Hz. This is a result of the low port tuning I chose. How load you can play them is dependent upon your design, and is a combination of the cabinet and crossover that you use the drivers in.Bad_mojo said:How loud can you play them before they start to loose some sound quality?
Yes. Roughly 4th order acoustic on both the woofer and tweeter.Bad_mojo said:If I understood correctly, in your final x-over you crossed at 1500hz?
No sweet spot to be found. I was very suprized to find just how far off axis I could be and the speakers still sound great. Keep in mind that a null due to lobing is much less offencive on the ears than a peak. All this of course is not purely a function of the driver selection. It is a combination of crossover design (order and frequency), and the location of the drivers on the baffle.Bad_mojo said:Since you've had them, have you noticed any AUDIBLE problems caused by the large distance between acoustic center? Are you confined to sitting in a "sweet spot"? Does the sound quality change allot when moving about the room or stand-up?
Again, proper interpretation of the graphs available should answer this question for you. What do you think "muddiness" is a function of in the speakers you've heard? Poor frequency response? Poor phase alignment between drivers? High distortion? A combination of all the above? I encourage you to read up on how each of the above problems affect the "sound" of the speaker, and know that all the above can be simulated in software prior to building to get a good idea of how things will be. The drivers are only one ingredient in the recipe.Bad_mojo said:I know. This speaker business seams to be all about compromise. Just worried about muddiness in the mid-range. Any sign of it in your system?
DcibeL said:
In my design, the drivers will run out of excursion at around 30W at 30Hz. This is a result of the low port tuning I chose.
Glad to hear it!
No sweet spot to be found. I was very surprised to find just how far off axis I could be and the speakers still sound great.
Poor frequency response? Poor phase alignment between drivers? High distortion? ....know that all the above can be simulated in software prior to building to get a good idea of how things will be. The drivers are only one ingredient in the recipe.
Bad_mojo said:
I would be tempted to say I would port them low and lean as well. LOL how loud does 29W get? Is it close to a crazy teenager party? or just too loud to enjoy for too long of a period of time? I really want to blast my speakers from time to time.
Mo