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    Proper Set Up Required for GREAT Sound. Agreed by All! But is it Improper Setup or Wrong Taste?

    Achilles' knee? Is that how they got him after hitting him in the heel?
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    Why are seemingly Infinitesimal Movements of speakers so Significant and Musically Revealing?

    Thank you. I think we agree. Yes, the words used were "empirical" differences in "bass" when moving speakers 1/2". I do think that implies differences in fundamental bass frequencies, not perceptual differences due to the harmonic structure.
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    Why are seemingly Infinitesimal Movements of speakers so Significant and Musically Revealing?

    Fine, Jim. Speaker placement is important. But, the assertion was that movements by 1/2" significantly affect the bass. My question is do you or anyone have any solid evidence of that, meaning other than fleeting listener anecdotes?
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    Why are seemingly Infinitesimal Movements of speakers so Significant and Musically Revealing?

    At bass frequencies per Rodney, that is quite unbelievable, actually, considering the long wavelengths involved. I guess a certain kind of standing wave pattern might possibly do what you say, but we don't want that in our listening rooms. I don't suppose you have the measurements you took...
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    Question for those with external subs

    My sympathies. I have used DSP EQ for over a decade now. Various EQ tools, but usually always with the default target curve, so no tweaks and delivering measurably smooth response. Friends have also tried it on my recommendation or on listening to my system. Our bottom line is we would...
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    Question for those with external subs

    My playback system in simple terms is a Win 7 PC feeding via USB an Exasound e28 DAC, then driving my amps and sub directly in 7.1. In the PC, JRiver is my library/player system together with the Dirac Live VST plugin(7.1). Bass management xovers are done by JRiver. Speaker distances and...
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    Question for those with external subs

    I don't think servo subs are necessarily the answer, and I agree with your skepticism. I do think getting proper timing and also phase alignment in the crossover region are important and helpful. But, the really biggest issue by far is frequency response and ringing caused by room modes...
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    Question for those with external subs

    It sure is. But, not really in a Mch setup where DSP distance calibration in the processor can delay other channels to match the sub's delay. Freedom of distance placement is thereby assured. I checked JLs CR-1 $3,000 external stereo xover/controller. I don't see the ability to delay the main...
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    Question for those with external subs

    Multichannel systems, including even some very cheap AVRs, have fairly decent tools to easily integrate a subwoofer. Traditional stereos do not. I am very familiar with the problem described. I use a JL sub myself. It is largely an issue because of the DSP input network on JL and other...
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    Question for those with external subs

    I set my sub level (and all main/satellite levels) once automatically during Dirac Live 7.1 calibration via mike. That's it. I am happy as can be, and no fiddling. Only my master volume level gets adjusted slightly per album, affecting all channels equally. The sub disappears unless it it...
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    Who's buying the UpTone Audio ISO REGEN?

    You are quite welcome. Happy holidays.
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    Who's buying the UpTone Audio ISO REGEN?

    It is not about price, not about Amir. And, the bitching here stopped months ago. I tried it. It made a slight but noticeable difference. After a few months, I did more listening comparisons, and I concluded that the difference was not really a positive one. Regen has been out of my...
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    Dirac Live... second generation

    Dirac Live is DSP room correction software, as is Audyssey, Trinnov, ARC, Acourate, RoomPerfect, etc. etc. One key difference between them is which hardware platforms they run on. They generally all use a roughly similar concept of measuring room frequency response vs. a target response curve...
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    Dirac Live... second generation

    I am a big Dirac fan myself, though I respect Trinnov, partly based on Kal's excellent reviews. Yes, DSP room correction is absolutely irreplaceable in my system. I would not be without it. I personally feel it is one of the biggest true audio breakthroughs in recent memory, the likes of...
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    Dirac Live... second generation

    Not really a fair shootout we could all generalize from. The mikes will be in different positions during calibration, among many other things. Still, your anecdotal impressions will be interesting.
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    Best Acoustic Products for First Reflection Points

    Absorption, diffusion, bass below transition frequencies, mid/treble above transition, side wall first reflections, floor/ceiling first reflections, etc., etc., etc. Room acoustics and treatments via passive or active means is a very, very complex subject. I do not think, amid all the...
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    "They Are Here" or "We Are There"?

    I purchase mainly via Amazon or their cooperating sellers if the price is better. SACD is the main Mch format and I have been heavily influenced by the following site, formerly known as sa-cd.net: http://hraudio.net/ Every SACD ever made is listed there, often with reviews that I find...
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    "They Are Here" or "We Are There"?

    Amen, brother. I am aware of the potential of Auro 3D, and I have heard good things about Auromatic synthesis, which may be the best way to augment 2D or even stereo recordings. However, I am not yet ready for Auro myself in terms of listening room real estate. I have heard discrete Auro 3D...
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    "They Are Here" or "We Are There"?

    I agree that a symphony orchestra is very difficult to reproduce accurately. But, any unamplified music we are used to hearing in a concert space is difficult, even solo recitals, string quartets, etc. I was an audiophile long before I became a frequent concert goer. I enjoyed music at home...
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    "They Are Here" or "We Are There"?

    I agree that the nature of the recording is key, and much of that tends to relate to musical genre. As a mostly classical listener who goes to many live concerts, "we are there" is the only paradigm that makes any sense to me. And, discretely recorded, hi rez multichannel (Mch) overwhelmingly...
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    Why do many Acousticians recommend absorption for non-bass freq: Valid OR prefer dead room & Dogma?

    Agreed. That is why many acousticians prefer multiple subs and DSP EQ in the bass, with precise center frequency and Q, rather than absorption. That, and most off-the-shelf bass absorbers are not very effective below 100Hz, which is where the biggest room modal issues in dB typically occur...
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    Live unamplified music v home audio, another thread/perspective

    Re-creation from stereo sources of some truly realistic sense of live performance is a dream unfulfilled. It is often tantalizingly close, but still doomed to failure. And, it will always be unfulfilled, because it simply lacks sufficient information captured live and reproduced for the...
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    Live unamplified music v home audio, another thread/perspective

    Multichannel 5.1, of course, can and does use phantom imaging between 5 or more speakers, exactly as stereo does between 2. But, yes, phantom imaging is not quite the equal of what would be possible with even more discrete intervening speaker channels. So, by your terminology it is all...
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    Schiit, interesting name...more interesting products!

    If only. I have known several reviewers for prominent magazines, who could not be bothered. I say this having been in their homes listening to A vs. B with them. And, I have an extensive network of audiophile friends and acquaintances in my area. Regrettably, very, very few seem to care or...
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    Jriver Video Problems

    You just possibly might get access to a bit more expertise in the JRiver forum than here.
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    Who's buying the UpTone Audio ISO REGEN?

    Alex, I just don't believe you for a second. I think you are trying to create a smokescreen simply because you don't want Amir to comprehensively measure your device, a capability which neither you nor Swenson has or can even dream of. And, what does that say about the development of the...
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    Who's buying the UpTone Audio ISO REGEN?

    Yeah, the old soft shoe,eh, John. But, with such a mean-spirited edge. Oh, yeah, your DACS are world renowned. I must have seen a million threads where audiophiles raved about them. Face it, John, you are just a wanna be, who keeps shooting himself in the foot because he has no facts, just...
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    Who's buying the UpTone Audio ISO REGEN?

    Ohh, raw, irrational hatred. Or, is it jealousy? So, offhand, I do not recall ever seeing a published measurement made by you in years of your posts in numerous forums. You have argued tooth and nail about them, how they "should" be made, but you have never produced any of your own...
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    Who's buying the UpTone Audio ISO REGEN?

    John - you remind me of Donald Trump's repeated claims of "fake news", wherein he states or tweets his own falsified version of "the truth", expecting we will all believe it. What Amir's measurements show is that there is no positive improvement in the analog audio output of the DAC that makes...
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    Audessy adding timbre on 2 channel playback

    It looks like the levels are not matched. Hard to see beyond that into "timbre", meaning frequency response differences. Yes, Audyssey will change the frequency response when engaged. That is what it is supposed to do in order to fix the room's uncorrected frequency response.

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