Hello Sturbo2000, why would anyone want to use an attenuator ? Or passive preamp ? I've always encourage, or suggest to connect direct from CD player and use volume control from the CD player. But anytime you add anything in the middle of the chain the sound will degrade or change ! So you might as well add a full flesh active preamp and have all the convenience to go with it, until your budget allow for a CD player with volume control. There are full of active preamp, that is affordable out there. Use common sense, enjoy, and don't think too much.
Regards
No offend intended
ISTT