Tekton Double Impacts


Anybody out there heard these??

I have dedicated audio room 14.5x20.5x9 ft.  Currently have Marantz Reference CD/Intergrated paired to Magnepan 1.7's with REL T-7 subs.  For the vast majority of music I love this system.  The only nit pick is that it is lacking/limited in covering say below 35 hz or so.  For the first time actually buzzed the panel with an organ sacd. Bummer.  Thought of upgrading subs to rythmicks but then I will need to high pass the 1.7's.  Really don't want to deal with that approach.

Enter the Double Impacts.  Many interesting things here.  Would certainly have a different set of strengths here.  Dynamics, claimed bottom octave coverage in one package, suspect a good match to current electronics.

I've read all the threads here so we do not need to rehash that.  Just wondering if others out there have FIRST HAND experience with these or other Tekton speakers

Thanks.
corelli
Aric - I owned a basic Dude preamp for a couple of years. It was very good. Paul would use his excellent design and build it to your price point. I never heard one with Duelunds but from what I've been told they were something special. Grannyring (Bill) has a lot of knowledge regarding the Dude preamp if you should have questions. (Hope I didn't just speak-out-of-turn Bill)   
@sbayne - Thank you! Yes, I've actually been chatting with Bill about some of the differences and similarities between the two designs over on another thread. It appears Paul's design was highly sought after and many different versions were offered. It's very interesting and cool to see all of the variations out there. 
@aricaudio - After looking at the pictures and getting more info, I now understand more thoroughly how the Motherlode was designed and built. That is one hell of a preamp!! Congrats!!

@laaudionut - I’m jealous!
@sbayne - Thank you! It’s been a really neat test comparing the same tracks back to back on the "Motherlode" and then my own personal unit using 6SN7’s and the True Copper caps. The all film-capacitor power supply using a toroid (instead of iron) really helps the black background become more, well, black. I’m sure there’s lots of break-in left to do, but even out of the box, the Duelunds have a quick-paced liquidity and great bass. I’ve been testing it with my SE 150-based amplifier, and it’s a great match. It has plenty of grip and speed even on my 90db @ 1 watt efficient speakers (old school 6.5" Audax Aerogel MTM’s designed by Joe D’Appolito).