Audio Physic Spendor SA 3 Transcriptor Backes Müller Tannoy Arden En Vogue Quasar Sansui CA-2000 Single-ended Spendor S5 e Dynaudio Restek Electrovoice Threshold SA 2 Martin Logan Apogee AE-7 Akai GX-635 D Tannoy D700 B W CM9 Technics SU-V Quad 510 Monos T A Criterion Spendor S 3 5 JBL 250 Ti Heco LAB 2 JBL HP-420 Marantz SA-11 McIntosh MCD Infinity Kappa Quadral Titan Linn Axis Technics Yamaha AX-2000 Musikelectronic Teac C-3 X Marantz SA-K.I. Accuphase E-210 Symphonic Line Urei 1620 LE Kronos Pro with AVM Monoblock Rogers LS 5 9 Yamaha DSP-AZ 2 Luxman M-375 Modern Classic Restek Matinee Museatex Melior