This is agood time to upgrade to the INCOGNITO cable available through Lauerman Imports or Music Direct found at amusicdirect.com.
I added it to my RB600 and big difference also you get a seperate ground lead that helps in RFI and EMI elimination expect to pay about 250
I added it to my RB600 and big difference also you get a seperate ground lead that helps in RFI and EMI elimination expect to pay about 250