Hey guys, I've recently got my hands on two old Yamaha AVRs: The rx-v1200 and the rx-v659.
The RX-V659 is using a Burr-Brown PCM1803 DAC.
The older RX-V1200 is using an AKM AK4527B DAC.
I'm currently using the RX-V1200 as it seems my rx-v659 does not output sound in Stereo/Pure Direct/Straight...