Something you should consider when selecting a subwoofer to match your main speakers is Box Alignment .. by that I mean ... Ported .. Sealed .. Transmission Line and/or Open Baffle ... each one of these designs rolls off at a much different rate per octave and can cause difficulty in seeming the sub to the main speaker if mismatched
A ported style speaker rolls off at 24db per octave .. a sealed (acoustic suspension) type speaker rolls off at 12db per octave .. a transmission line speaker rolls off at a shallow 6db per octave
If your main speakers are transmission line like Salk's are they roll off at 6db per octave .. if you select a ported sub that rolls off at 24db per octave at the point of intersection of your main speaker's rolling off and your sub rolling in the transmission line Salk's main speaker will have much more output at the specific frequency of crossing over
Your WBV's are plus or minus 2db at 44Hzs let me change the parameters for sake of example a bit and say you owned a Salk stand mount transmission line speaker that rolled off at the same 44Hzs point and added a ported sub that rolled in at 24db per octave
You would want to set the crossover frequency on the sub at 1 octave above the main speakers -3db point .. this is where I feel you should set any and all sub crossover points at for proper overlap and seem less blending ... 1 octave above your mains speakers -3db point regardless of type .. make or model
Now your sub crossover should be set at 85 to 90Hzs for proper integration ... but at 50Hzs where both are operating .. the main speakers are rolling off at only 6db and have much more output at that frequency than the sub does as it's rolling in at the 50Hzs frequency ... a difficult match for blending as the mains have more output at that frequency ... 50Hzs ... than the sub
Here's two examples to help you better visualize ... Taylor Swift and Michel J Fox are walking the Red Carpet together ... she's tall talented and beautiful ... he's handsome ..very short and equally talented ... not a great photographic opportunity because of the gross height miss match even though each is very attractive and very talented
One more example ... 6'8" Yankee outfield Aaron Judge hits a home run into the third deck ... upon returning to the dug out utility infielder 5'6" Ronald Torreyes tries to high five Judge but must be lifted by a team mate to reach Judge's hand ... both excellent players but a serious mismatch in height
The same can be said for the mismatched box alignment on two great speakers .. both the sub and the main speakers are the best of the best but don't line up
It's amuses me that in this hobby when the word synergy is used so often ... that when it comes to selecting subs to match main speaker most only choose the best of the best without consider the Box Alignment synergy
I suspect this is the major problem that audiophiles have with their sub's matching and seeming with their mains and why it is often said that subs don't work well in two channel systems
Because your WBV's are ported I strongly suggest you only consider ported subs and not the best of the best or the I like these as recommended by members here and on other boards
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