No, I haven't contacted the manufacturer directly - I thought I'd "take it to the street" first.
The only link I could find (other than the Clayton site) was CES 2001 - Post-Show Coverage
"Clayton Audio's Spartan-looking P2000 preamp ($2800) was shown at last year's CES in a prototype form. It was paired this year with Clayton's mammoth S2000 stereo amplifier ($8000)."
The only link I could find (other than the Clayton site) was CES 2001 - Post-Show Coverage
"Clayton Audio's Spartan-looking P2000 preamp ($2800) was shown at last year's CES in a prototype form. It was paired this year with Clayton's mammoth S2000 stereo amplifier ($8000)."