source:      Yamaha CDX-993, Pi4 + Pi2AES
dac:         Yamaha DX-U1, Parasound D/AC 1600HD
amp:         Yamaha CX-1/MX-1
loudspeaker: Mark Morel (diy), P3ESR SE, MJ Acoustics Ref 100MkII
earphones:   Shure E2