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In Reply to: Even if it doesn't there are other things to consider posted by Quiet Earth on April 15, 2007 at 21:21:24:
The DEQ2496 has two "32/40-bit floating point SHARC digital processors," supposedly a lot of computing horsepower. I have been using an Alesis Masterlink as a CD transport, sending the AES EBU signal to the DEQ2496, then using a Benchmark DAC1 as DAC. The DAC1 has jitter-reducing circuits. I am not using the DEC2496 to boost the bass. I have a REL Storm sub, which provides all the bass energy I need.
Follow Ups:
I am currios now, why the original question? Do you feel like the EQ is completely transparent in your set up? Can you insert the EQ (digitally), press a bypass button, and not hear the difference compared to no EQ in line at all?What frequencies are you cutting, if you are not boosting any? Do you feel like it changes things for the better or is there an artifact that you don't like?
My question pertains to a comment by Mac in this thread: http://www.audioasylum.com/scripts/t.pl?f=general&m=477388
He states that a digital equalizer like the DEQ2496 introduces exactly the same phase errors as an analog equalizer. I thought that digital equalizers were phase-neutral.
Let's stop calling it 'phase error'. It isn't always bad.If Mac is correct, meaning that the Behringer uses IIR filters (and I think it does, though am not 100% sure), then indeed it shifts phase exactly like the equivalent analog equalizer would do.
Now if you use such a phase-shifting equalizer to compensate for the frequency-amplitude aberrations of another minimum-phase system, then the resultant phase response will be linear.
They key, of course, is 'another minimum-phase system'. Your speaker/room system is likely to be MP in some areas, and not in others (e.g. around loudspeaker crossovers, or particular dominant wall reflections). So in some areas the Behringer might improve resultant phase and in some it won't. But as you said, this pales into insignificance compared to the great improvements brought to the net amplitude-frequency response (if you use the Behringer correctly).
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