How did you come to the conclusion that in-line attenuators degraded the sound quality? How did you perform a level matched comparison?
From your original post the phrase that jumped out at me is "in my haste". Has it even been 30 days since you got the new preamp and phono preamp? And now you want to change cartridges and/or one of the preamps. My suggestion is to slow down and carefully consider your options.
From your original post the phrase that jumped out at me is "in my haste". Has it even been 30 days since you got the new preamp and phono preamp? And now you want to change cartridges and/or one of the preamps. My suggestion is to slow down and carefully consider your options.