I wouldn't put any source equipment near a power conditioner, as they can vary the noise and maybe even rf they put out according to the load level they see.
Especially if you've got poweramps plugged into them, which I believe is a no no, as big transients can momentarily load them up quite a bit, and actually make them come close to current limiting, which can compress the transients of the poweramp/s a touch.
Cheers George