thanks for the comments all. i plugged the preamp into the aux input instead of phono and that has not made a difference. in response to one question, the only volume control is on the amp, not the preamp.
if the problem is the low-cost preamp, does anyone have recommendations for a diff one?
as for speaker placement, if that was the issue, wouldnt i hear it when i play the iphone too?
if the problem is the low-cost preamp, does anyone have recommendations for a diff one?
as for speaker placement, if that was the issue, wouldnt i hear it when i play the iphone too?