Speaker Cable for Tube SET System?


I would like some (tried and true) recommendations for speaker cable. My concern other than overall sound is bass control (damping and what effects it, if this is a part of the wire puzzle). The system is: Audion Silver Night 300B stereo version (7.5 watts), Reynaud Twin speakers, CAL Icon MKII with Bel Canto DAC, Mapleshade Digital IC, Homegrown Super Silver analog IC, BMI Whale PC's and two Monster HTS2000 power conditioners. The only two cables that I am considering at this time are: the Mapleshade Single or Double Helix and Analysis Plus Oval 12. I can get by with 10 ft runs, but would prefer to have 12 footers to cover any future reconfigurations (or to use them in a second system as time goes by) and would like to keep the cost at $300 and under. I am currently using Kimber 4VS and would like a more natural sound than they seem to offer in this setup, plus bass control as mentioned before. I will probably only audition two to three cables at the most and or buy and then sell used if I hear no improvement. Thanks.
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Thanks: I had not considered the first Coincident cable and believe that MR. Blume bases many of his designs on tube amplification. The snag is that I choose not do business with my local dealer, so will have to look elsewhere. I have also been googling the Homegrown cable, but it runs from $775-$900. I could wait until my budget increases, but as I said before these cables will most likely end up in the second system (along with the SET amp) as I plan to eventually go to tube mono blocks in the living room system and then will be using much shorter speaker cable. I have upgraded my power cords, have Neuance shelving ready to install and am mailing the Bel Canto DAC in today for the 1.1 upgrade in a quest for "tight bass" (enjoyed the thread). I feel that I will be able to achieve realistic bass with a 300B based system if I continue this tuning concept with the speaker cable selection and perhaps some DIY bass traps. We'll see.
PS: Any comments on the Analysis Plus Oval 12's and the Mapleshade cables with tube amps?
Ray Kimber of Kimber Kable stated recently in a post that he is going to be developing a new line of cables designed for SET amplification. Something to watch for.
Dekay, if you are interested in HomeGrown Audio's cable, I was told by Kevin that a lower priced cable is coming. Don't remember if the reason was increased production efficiency, a different manufacturing procedure, or what. If you'd like, I could dig up the e-mail, and pass the information along to you.
Trelja: I will ask Kevin about the ETA before I make a move. I have looked into DIY silver cable, but figured that by the time I got the balance right I would have spent more than the "store bought" versions