Your Usher has a fet inputs at 61kohm loading with a fair amount of gain.
I would suggest a low gain preamp like a Schiit Freya for $699, bonus is you can use it as straight passive, a tube, or a solid state (to suit your moods? maybe) and it has a trial period.
http://schiit.com/products/freya
Cheers George
I would suggest a low gain preamp like a Schiit Freya for $699, bonus is you can use it as straight passive, a tube, or a solid state (to suit your moods? maybe) and it has a trial period.
http://schiit.com/products/freya
Cheers George