Re: How long should my cable be?
I may be wrong but I don't think that makes a difference. Active or passive, the cable's impedence and length would still disrupt the treble frequencies in the signal. You might be able to compensate by boosting the treble with an onboard preamp, but that doesn't change the fact that the cable is acting on the signal. I wouldn't worry too much unless you're using a couple 50ft cables thru true-bypass pedals switched off and lots of florescent lighting in a stadium or something. If you're just playing in a club, most of the time a 20-30 foot quality cable will suffice with minimal effect on the "purity" of the signal path and provide the necessary shielding from interference. Besides, most people in the crowd will be too drunk to hear a difference.