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In Reply to: RE: Biamp / triamp MGIIIA...? posted by Roger Gustavsson on December 19, 2023 at 23:39:57
Yes, I was going to suggest an active XO/DSP as well. I have been running a DBX Venu360 for several years. I find that the room EQ is at least as important as it's ability to bi-amp (or tri-amp). In fact, I have not used a fully 'active' bi-amp setup with it (yet). The plan was to go active tri-amp with the T-IV when I got it, just haven't gotten to that point yet.
The only issue with the Venu360 is that it uses balanced inputs/outputs. So your equipment should have balanced converters to get the input/output levels correct if your sources/amps are single ended.
Oh. Not the response I'd anticipated but that in itself is a data point I guess.
@Roger What didnt you like about the 6-24 biamp? - I see you've been active on that thread.
First you need to build the 6-24, not that cheap after all.
After going for a solution with DSP, there was no way back. With DSP you can take it to another level and it is so much easier to set up. You can do similar things with analog too but it is really a difficult way of doing it. Yes, I made an analog PEQ as well, intended to use it with an active crossover but dropped it. For most of us a miniDSP Flex HT and two stereo power amplifiers will be good enough, at least for the speakers you intend to use.
Not to mention that all of the processing done in digital is essentially lossless and doesn't generate any noise in the signal (unless you think you can hear a 96kHz digital fingerprint).
My question about DSP crossover and/or parametric EQ is whether it changes the phase or not? If there is no phase change in the signal with DSP then it's also an improvement compared to XO/PEQ with analog boxes.
As long as the frequency is flat in the crossover region, everything ought to be fine. Phase and frequency response is not to be separated, if you change one of them, the other will also change. Correct me if I am wrong.
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