Far out Doug. I think you are the most prolific speaker builder I have seen on here!! Interesting concept.
Tony.
Tony.
I'm looking forward to seeing how your build turns out. I've got a pair of Anarchy woofers waiting for a project, but I have to finish other home improvement projects before I start on those.
Something is brewing....
There is _order_ even in chaos.
Is there a waveguide tweeter in this brew?
The plan is to build a mtmmm in a 48" high box with a center dividing into two chambers.
The second pic is a old box cut-down to 42liters (equals one chamber) so I can check the tuning. The two vents are 9" wide x 3/4" high x 11" deep, which had surprisingly good for a first try.
The two peaks were within .5 volts: 5V @ 30hz and 5.5v @ 65hz.
Valley - <1 volt @ 40hz.
There was a little chuffing in the 30's, (I didn't think it was bad).
During a sweep the bass was much louder around 55hz.
The box is screwed and taped and be modified quickly - can try different "ports", but if I go longer, the chuffing may get worse. Also, getting close to the back of the box.
The second pic is a old box cut-down to 42liters (equals one chamber) so I can check the tuning. The two vents are 9" wide x 3/4" high x 11" deep, which had surprisingly good for a first try.
The two peaks were within .5 volts: 5V @ 30hz and 5.5v @ 65hz.
Valley - <1 volt @ 40hz.
There was a little chuffing in the 30's, (I didn't think it was bad).
During a sweep the bass was much louder around 55hz.
The box is screwed and taped and be modified quickly - can try different "ports", but if I go longer, the chuffing may get worse. Also, getting close to the back of the box.
Attachments
The lower two will be woofers right? So not MTMMM but MTMWW?
Elsewise you'll be having a real fun time at the crossover point!
Elsewise you'll be having a real fun time at the crossover point!
Doug you can put an L shape to the slot ports to get more length if needed.
It's a 2.5 way, the wtwww terminology isnt really important.
It's a 2.5 way, the wtwww terminology isnt really important.
Thought about an L, but that might add to the air noise issue.
What if the box is narrower?
Which makes a deeper box and more room for a straight port.
What if the box is narrower?
Which makes a deeper box and more room for a straight port.
It's a 2.5 way only if it's an MTMWW. If it's the MTMMM he described, it's a 2 way. The terminology is important, if you want people to understand your posts. I made the assumption, but you know what happens when you assume!
An MTMWW is a three way, and MTMMM is a 2.5 way and an MTM is a two way anyway you look at it. The difference is in drivers choosen. If they all are the same drivers them eg MTMMM it is a 2.5 way by virture of the drivers (all the same) utilizing the lower two for (partially) correcting baffle step loss. When MTMWW you cannot use the WW for baffle step loss corection without also inducing a phase shift which impacts how they merge negatively in the 100-500 range. This is mainly due to the difference in mechanical characteristics eg Mms Rms Qms etc. So instead we cross isolated from each other resulting in a three way
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