Additonal info: I am running 4 foot runs. My current top end cable is AudioTruth Clear. The current bass is AudioTruth Argent. I can't reverse the cables due to the Fisher connectors on the Levinson amps on the top end. Although I agree with the comment on Midnights, I don't think they would be an improvement over the Argents.
Bass speaker cables
I have an active bi-amped system. I am using Krell KMA-160s on the bottom and am looking for a good speaker cable for bass response. Does anyone make specific cables for lower frequencies? If not, what cables are recommended for the best bass response? Most of the system is currenty Audioquest or AudioTruth cables.