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mr_push_pull 11th August 2004 01:40 PM

Filterless DAC - pros and cons?
After reading a few articles about the necessity/non-necessity of the post-DAC reconstruction filter, I see that there are two tendencies:
- remove the filter and rely on the quality of the amplifier, and
- use a tube filter

I'm posting this thread after a long debate about this issue. Since I don't have the expensive equipment to test "empirically" the two variants, I want to ask some more experienced people about this subject. Do you think that the filter can be totally removed if the amplifier has low enough IMD?

carlosfm 11th August 2004 02:56 PM

I suppose you are talking about the analog filter after I/V conversion?
You should have something, at least 1st or 2nd order.
I changed completely the analog filter of my Audio Alchemy DDE v3.0 dac (6th order!:eek: ) by a second order filter and the result was what I expected: amazing.:D

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