I use an EMC1-UP in my system with a Bryston 14B SST amp, First Sound Deluxe II preamp and Von Schweikert VR4 SE loudspeakers. I am a hard rock/heavy-metal-head and the EMC 1-UP performs admirably with no lack of bass slam. The only player I have heard that had deeper, tighter bass was a Modwright modified 999ES DVD player (kudos to Dan Wright!). I have never listened to a Wadia 830.
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