Help choosing upgrade of subwoofer

I’m actually owner of a subwoofer MA BXW 10, and I’m looking for un upgrade.

Looking in the local market I found:

Velodyne HGS 15 thx, used
Audio Physics Rhea II, used
Audio Physics Luna, new

All at almost same price.

About Velodyne I read enough, seams good, but no very reliable.

I could’t find reviews or information of Audio Physics, I heard some speaker and I have very good oponion his products.

Any one could give me more information to make a good chooise?

P.D: I wanned mainly for music, my speakers are Devore O/93

Thank you,
 
The DIY part is only half done when you unpack the new subwoofer. Maybe less than half.


Sorting out crossover using a borrowed DSP, room placement using REW, cutting a few peaks with EQ, and boosting bottom octave if needed.

B.
 
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