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Ronnie James Dio - I'm a huge fan of his work in Sabbath, but also love his solo and Rainbow albums.

To be blunt - in this context human hearing simply has less resolution than well-made anechoic measurements. That absolutely does not mean that there is no value in high-resolution measurements; however it does mean that some competence is required to interpret them. If you want to see a graph...

Yes, retrieved from a Dayton web service based on the mic serial number. I too was surprised to see how different it is - looks almost randomly generated. :confused:

Here's how my Cross-Spectrum Labs calibrated Dayton EMM6 calibration curves look: The manufacturer-provided calibration file doesn't seem reliable unfortunately; here's how the stock calibration curve compares to the Cross-Spectrum one for my mic:

Indeed, however given that PEQ only works for USB input I wonder if the processing might actually be implemented within the driver SW on the PC side, rather than on the DSP chip in the device itself...? No issue with that in principle and will surely still be useful to many people - it's just...

I was disappointed to see that PEQ only works on USB input, which is IMHO the least useful one as you could e.g. run EAPO on the source PC instead. (Comment at the bottom)

Note that you don't really need to know the implementation of the circuit; you just need to measure the amplifier's output impedance characteristic (magnitude and phase vs frequency) to be able to calculate its FR into any load. This is why I'd personally love to see output impedance...

From what I've seen in my own tests, as well as measurements done by other people, PIR usually matches really well to in-room measured spatially-averaged responses (e.g. MMM) above approximately 1kHz. Between 300Hz-1kHz the match is usually still pretty good, but room influence is quite visible...

This is a very good question, and one that I've thought about several times through the years. First, let us repeat why we see downward-sloping in-room response with well-measuring front-firing loudspeakers: it is because they exhibit increasing directionality with frequency. I.e. they radiate...

Looking at these 5 pages I casually estimate the average period of this thread is approximately 10 posts before the discussion restarts at the beginning and we go through the cycle again... :p

Erin's review shows that enabling the crossover indeed applies both the LPF to the sub out and HPF to speakers (examples with crossover at 30Hz and 250Hz):

Luckily 'flat' loudspeakers can reproduce 'rich and dynamic' sound without issue, as I wrote here: :)

When discussing the "Harman curve" it is always good to remind ourselves that it was not intended to be a room EQ target curve - it is instead a result of using well-measuring loudspeakers in typical domestic rooms. I suggest to read the first few posts in this thread (link) by @thewas who...

This is not correct, and primarily so because you're not considering differences in sound dispersion - which many of the people contributing in this thread tried to explain. A loudspeaker radiates sound in all directions, not just on-axis, and its response is never "flat" in every direction...

People often confuse the concept of flat in-room response (bad) and flat on-axis anechoic response (good). The flat on-axis anechoic response (good) of loudspeakers with even directivity (good), as we know, results in downward-sloping in-room response (good). That being said, it is not clear...

You should be aware that this forum is strongly focused on providing robust and objective corroborating data whenever a claim that challenges established science is made. IMHO it is very important to challenge such claims so that the many people who read this forum can see which claims can...

However if you listen with both amps precisely level-matched, and without knowing which is playing, you might find the differences are suddenly gone. And then you might realize the numbers are not as dry as you thought. :) However I appreciate such tests are not trivial to facilitate for most...

Based on what you wrote I think you're probably more sane than the rest of us in the audio hobby (myself included). :D If you don't need any more power nor additional features there's no reason to believe any amplifier would give you any better sound quality. It is IMHO much better to invest in...

I notice a prevalence of Strats in this thread which I just had to disrupt with a few more LPs. :p My main and favorite guitar is the 2006 Gibson Les Paul Studio Vintage Mahogany in Worn Brown with Gibson Burstbucker Pro pickups and 300k linear pots. I've replaced the stock tuning machines with...

Room-induced resonances can be sharper than 1/6 octave, so variable smoothing is usually better suited for fixing them, as it does less smoothing in low frequencies. The ~85Hz dip from your in-room response suggests to me one of two most likely possibilities: The front faces of your monitors...