YBA 2 preamplifier
A truly great preamplifier lets everything through, both music and distortion, but with such generosity that neither...is cramped and narrow.—Larry Archibald (footnote 1)
Z-Systems rdp-1 digital preamplifier
Tone controls? I ripped them out of my Dyna PAS-3! And that was the last time I had tone controls. As a card-carrying audiophile, I wanted just what the engineer had inscribed on the recording, with as little change as possible (read: high fidelity).