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RE: Secondary AD/DA conversion okay?

I'm not sure we disagree for multi-channel, but I'm pretty sure that the OP was referring to 2.1 using his Marantz. Since I don't have Dirac Live I can't comment, but I will say that the anti-mode was a big improvement in my room for multi-channel with LFE; so I can't discount the advantages of room correction. I have a quasi-ITU layout with 5 full range speakers (and a large soft listening room) so I simply do without time alignment and bass management for multi-channel.

Stereo SACD is trickier. What I currently do is derive the bass channel from an extra copy of the front L,R from the Oppo into an Outlaw Audio ICBM-1 analog bass manager, apply the 40 Hz crossover, and send the signal on to my Anthem AVM 20's 5.1 subwoofer input. With this kind of super-sub arrangement the crossover frequency is critical to avoid overlap. On a number of discs I've made the comparison between:

1. this method;
2. stereo through the Oppo's xlr output; and
3. conversion to PCM and full bass management in the Oppo.

In general I prefer 1. or 2. (2. often with stuff like solo piano or guitar), never 3.. But I'm looking forward to getting a new Emotiva XMC-1 when they get the V3 HDMI boards so that I can compare four methods: the fourth being full conversion and Dirac Live.

Anyway, we agree that what the OP is doing is just plain bad practice.

Edits: 06/28/17

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  • RE: Secondary AD/DA conversion okay? - Jim Pearce 09:43:19 06/28/17 (0)


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