Replacing Rel Sub Cable

On my Stadium II, powercord upgrades made a very noticeable improvement. I have tried several and am now using the Analysis Plus with the Wattagate connectors to good effect. Placing the sub on a hard surface with Black Diamond Racing Cones/Pits against the cabinet bottom made a remarkable improvement in transient speed and detail. Also, a Sumiko guy recommended placing a bag of lead shot on the cabinet top to damp cabinet expansion, which makes the sub quicker in my system.

Bmpnyc, I agree...dull is bad, holes are good. I try to get a faster sound verses a softer, less-focused bottom-end. I seem to get better results using BDR's under speakers verses spikes...which was also the result with the Stadium. I triangulate three #4 BDR's /Pits with the Pits' surfaces against the underside of the REL cabinet, the BDR's flat surface against the Pits, and the tips of the BDR's resting on the sub-platform. Before I used the Pits, I used 2"x3"x3/4" pieces of oak with the BDR's instead, (which sounded just as good as the Pits in this application). This gave me just enough height needed to clear the feet attached to the Stadium. I use a spiked sub-platform I made of 2 pieces of MDF sandwiched with 3/4" furring strips creating 6 fairly good sized "pockets" half-filled with sand. I also have 805 Nautilus' and making the REL's faster really compliment these speakers.