Naim NA 523 1 Audio Research Audiolabor Fein Camtech Opera Audio Clearaudio Quad Twenty ASR Mini Basis Red Rose Music Burmester 838 Lindemann Higher Fidelity Acoustic Burmester 838 ASR Basis mit Brocksieper Clearaudio ASR Basis mit Phase Tech EA-3 Musical Sonic Frontiers Audionet PAM Threshold FET Clearaudio AVM P 1.2 Monk Audio Synthesis Roma Synthesis Roma HQ PRE-AMP 220 Linn Linto MC ATT PH-III Musical Accuphase AD-9 T A PH-HV MC Mission Cyrus Lehmann Audio Burmester Naim Stageline Musical Naim Stageline Accuphase AD-20 Accuphase AD-10 E.A.R. 834 P Omtec Antares Accuphase AD-9 Supa Class A