Find a used Melos SHA-1 and Ronco it. The bonus is, it functions as a world class preamp at the same time. I believe the Stereophile quote was (on it's linestage capabilities) 'I doubt one could substantially better at any price.

I've had two, and I let a friend buy one. I won't be parting with mine, and it's a nightly driver for my Grados.

Runs two 6DJ8/6922.

Cheers,
Russ