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TOPIC: DDRC for 5 digital speakers plus 1 analogue sub

DDRC for 5 digital speakers plus 1 analogue sub 4 months 6 days ago #40067

  • chrisgeary
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I'm considering the DDRC-88D to slot between Meridian G61R and Meridian digital loudspeakers. I currently use nanoDigis but am looking for the more powerful Dirac correction.

How would I integrate my analogue sub? Ideally, I'd like that to also be run through Dirac. The G61R already does bass management so I don't need the BM option. I could output the .1 channel digitally but it would be full range. Ideally I wouldn't use the DDRC volume control as the speakers generate a little digital noise at 0db gain. Is a separate 2x4 HD my only option?

thx
Chris
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DDRC for 5 digital speakers plus 1 analogue sub 4 months 6 days ago #40075

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chrisgeary wrote:
I'm considering the DDRC-88D to slot between Meridian G61R and Meridian digital loudspeakers. I currently use nanoDigis but am looking for the more powerful Dirac correction.

How would I integrate my analogue sub? Ideally, I'd like that to also be run through Dirac. The G61R already does bass management so I don't need the BM option. I could output the .1 channel digitally but it would be full range. Ideally I wouldn't use the DDRC volume control as the speakers generate a little digital noise at 0db gain. Is a separate 2x4 HD my only option?

thx
Chris

A DAC for the sub after the 88D (going digitally into it)?
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DDRC for 5 digital speakers plus 1 analogue sub 4 months 6 days ago #40076

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Another Meridian processor acting as a DAC would work, as it could be volume controlled from the main Meridian processor. I guess the question is... do I put my money there (another M processor as a DAC) or in another Minidsp to do Dirac on the sub separately.
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DDRC for 5 digital speakers plus 1 analogue sub 4 months 6 days ago #40077

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chrisgeary wrote:
Another Meridian processor acting as a DAC would work, as it could be volume controlled from the main Meridian processor. I guess the question is... do I put my money there (another M processor as a DAC) or in another Minidsp to do Dirac on the sub separately.

Whichever is cheaper?
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DDRC for 5 digital speakers plus 1 analogue sub 4 months 5 days ago #40101

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That's certainly one criteria. I was more thinking technically... is there any benefit (phase?) in terms of having a single unit manage the corrections across multiple speakers (including the sub). Does the 88 manage global phase alignment?
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DDRC for 5 digital speakers plus 1 analogue sub 4 months 5 days ago #40104

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chrisgeary wrote:
That's certainly one criteria. I was more thinking technically... is there any benefit (phase?) in terms of having a single unit manage the corrections across multiple speakers (including the sub). Does the 88 manage global phase alignment?

Only in the sense of allowing speaker distances to be accommodated: one is picked as a reference and the reset considered relative to it. If you use multiple minidsp units, you will have a reference per unit, and will have to align the references to each other somehow. Remember, Dirac itself only considers individual speakers (which causes much debate when the drivers are some distance apart, as in multiple enclosures, as in subwoofers with bass management).

If it were my choice, I'd go with the DDRC-88D and an outboard DAC. Also, you can do volume control in the DDRC-88D, unless you'd rather use a different remote and feed it a varying instead of fixed signal.
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