I have the following for sale:
Mcintosh MX4000 Head Unit
Mcintosh MDA4000 Outboard DA Converter
Mcintosh MPM4000 Analog Meter Module (which looks great in the dash below the HU)
Mcintosh MCD4000 6-disc changer
All of this was installed in my GTIVR6 with 4 2-Channel Butler tube amps...