I am looking to put together a pair of subs. Not sure whether they will have a plate amp on each one, or a stereo professional amp driving the pair. For this thread it really doesn't matter.
I like the concept of auto calibration. PE has a couple of sub plate amps with this capability built in. MiniDSP can do similar things. I would prefer a less costly approach using something like a Behringer (or other inexpensive pro) Amp with something as a front end. What are my choices?
One note, PE has a little inexpensive box which can do auto calibration from an Apple device. I do not do Apple, and will never do Apple. Android, Windows, even Linux if I need to, but I will not bring an Apple device into my home.
I use REW (not to its fullest) so I have a calibrated microphone and a computer to do the analysis. Are there any inexpensive amps (Pro or Plate) with either DSP or parametric equalization built in that REW can upload calibration info to using USB?
Other ideas?
My thoughts are a pair of Ultimax 15" or 18" drivers or similar in sealed cabinets. Maybe 4 drivers if I go 15". So I will want a fair amount of power.
I like the concept of auto calibration. PE has a couple of sub plate amps with this capability built in. MiniDSP can do similar things. I would prefer a less costly approach using something like a Behringer (or other inexpensive pro) Amp with something as a front end. What are my choices?
One note, PE has a little inexpensive box which can do auto calibration from an Apple device. I do not do Apple, and will never do Apple. Android, Windows, even Linux if I need to, but I will not bring an Apple device into my home.
I use REW (not to its fullest) so I have a calibrated microphone and a computer to do the analysis. Are there any inexpensive amps (Pro or Plate) with either DSP or parametric equalization built in that REW can upload calibration info to using USB?
Other ideas?
My thoughts are a pair of Ultimax 15" or 18" drivers or similar in sealed cabinets. Maybe 4 drivers if I go 15". So I will want a fair amount of power.
Would you trust auto-salting when making soup?
The whole enterprise of correction has come under fire by Toole's Critique (see acoustics forum). And these auto systems are rather "black boxes". Experience I have heard blindly applying REW (and my experienced with it) suggests it aint no good.
Hard to think an auto system would yield better results than carefully run REW curves (and listening tests to "fix" the curves and to recognize your personal house curve) and then use of restrained EQ of a few peaks.
B.
The whole enterprise of correction has come under fire by Toole's Critique (see acoustics forum). And these auto systems are rather "black boxes". Experience I have heard blindly applying REW (and my experienced with it) suggests it aint no good.
Hard to think an auto system would yield better results than carefully run REW curves (and listening tests to "fix" the curves and to recognize your personal house curve) and then use of restrained EQ of a few peaks.
B.
Having been in IT my entire career, I lean a bit more on technology. So yes, I would auto salt my soup. If it ends up a too salty, I add a bit more goodies, if not I add a bit of salt. Isn't this what you do when following a recipe?
To stretch the soup analogy, would you rather start throwing stuff in a pot, and see how it tastes, or start with a recipe which has been judged as good and tweak it to your own liking?
To stretch the soup analogy, would you rather start throwing stuff in a pot, and see how it tastes, or start with a recipe which has been judged as good and tweak it to your own liking?
Having taught in computer science departments, perhaps I am more reserved about the glories of IT.
Fun analogies aside, as everybody knows, it starts with how good the input is ("garbage in...." as we all know). My A/V amp with auto EQ came with a 50-cent mic and no means of averaging readings.
Better to start with a careful analysis of sound in your room with various mic readings. If you see some peaks show up consistently across different readings... that's where to start. Peaks come and go as the mic moves. (And the consensus in this forum is to not try to tame valleys, at least not much.)
B.
I have REW and I believe I know some of the idiosyncrasies of my room. I, however am lazy, which is why I chose IT as a profession lo those many years ago.
My technique would be to do the sub crawl, test the subs with no EQ, run an auto EQ, then test again and tweak as needed. This is how I do it with Audyssey on my Marantz AV7704, and it seems to work for me. I prefer to pre-calibrate my subs however.
So did CoVid-19 catch you in Florida or Toronto?
My technique would be to do the sub crawl, test the subs with no EQ, run an auto EQ, then test again and tweak as needed. This is how I do it with Audyssey on my Marantz AV7704, and it seems to work for me. I prefer to pre-calibrate my subs however.
So did CoVid-19 catch you in Florida or Toronto?
Like everything else made by humans - nothing is better than the ones using it. So an IT system might be quick about it, but still be bound by the basic rule: garbage in - garbage out.