Assuming your sub is hooked-up using the usual RCA or XLR line-level cables (instead of amplified high-level speaker cables), I recommend that you use a Hum Eliminator from EB Tech (this is an audiophile quality isolation transformer).  You can look up ''Hum Eliminator'' on froogle.com and find them for a good price, they simply work ...

I also would like to voice my support for a 633-PT speaker.  Please do this for us Aperion. I believe the 633-PT would be a simply outstanding product, and an ideal choice for audiophile two-channel stereo systems.

Ben, Would cables really make that much of a difference?  I thought the new HD-X3 crossover minimized the impact of cable differences - that is one of the main selling points in the marketing literature regarding this new crossover (?)

I too have been wondering about this...

michael, it just doesn't look ''amazingly larger'' to me.  Perhaps you just have to see them in person to appreciate the size difference?  To me, the 633T's look very nice...

John, in your opinion which would truly be better in a pure music application - 633's or 533PT's?  I was advised that these newly added 633's were designed specifically to be great for music - better than the PT's, which are more geared for HT - and although a subwoofer is cool, I understand that as music speakers, the 633's ...

Me too! 

Does anybody know the Sensitivity rating of the 633T speakers please?

Hello John, Ben, everyone, Thanks for the correction about the parallel nature of the HD-X3 crossover design. Regarding the new ideas for powered towers, here is what my family is specifically are looking for in this area. We want to have the best of both worlds, by having excellent mains for two-channel listening periods, within a ...

The impression I'm getting is that you are impressed most with the bass performance.  Anything else about their sonic characteristic that you enjoy, that you would like to comment on directly? We are considering a powered tower design for our living room HT, for those quality two-channel listening periods.  However, Aperion has ...