New pair of Alpair 11ms

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That can be used as a template. Size likely needs to be different — hard to make an 18 litre or so enclosure that big without empty spaces inside.

dave
 
Water Buffalo is an ML-TL, little relation to a BR.

An optimum miniOnken for the A11ms is 9 litres. I would personally not try to go lower, i value finesse over brute for force in a reflex. If you need the most bass, build an ML-TL or FHXL, or the big Woden double horn (Brodgar).

dave
 
Okay thanx Dave, I'm not familiair with the mini onken.
How low does the 9 liter go?

I agree, I care more about the quality of the low, than the amount. And the midbass is where the ms11 can shine. Although I never heard the water buffalo, but you would say that their sound signature is "less refined"? Some 50hz at -3db would do it for me. Especially coming from 2 ms 11's.
 
F6 about 50, F10 in the low 40s. Anechoic

Note that there is an extrapolation that needs to be made, since the modelers do not takeinto account the extra R of a high ratio slot vent, and the room, and room placement play a huge role. As will the output impedance of your amplifier (if you look at teh Woden King of Swing designs you can see that with a high output impedance amplifier one can take advantage of a larger reflex box.

dave
 
I just finished a pair of Alpair 11MS in a BR. They are leather wrapped and finished with African Padauk on the sides. They are still breaking in but really impressive so far!
 

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