The OMA Lenco idler, Schick arm, tweaked Ortofon cartridge, OMA RIAA phono preamp and OMA Parallax integrated amplifier, all playing through the OMA AC2 field coil loudspeakers. It was by far the best demo I have ever had even though the speakers were set up with a 3-foot round column between them.
Table:
RIAA:
Amp:
Speakers (this is the AC1 non-field coil version):