Not so fast my fren… Many Dynamic Equalizers like FabFilterPro4 can also function in a Linear Phase mode which takes care of the time domain issues… Horses for courses…
Not dynamically, in the time-domain of frequency/phase/amplitude.
You have the choice of using Audirvana’s built in convolver for free or using one of the external convolver plugins which costs $$$…
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LOL… RTFM my fren…
I appears you are conflating the term “dynamic” in a static application being applied to the fundamental harmonic sequence it is targeted at, with a “dynamic” fluid process of analysis of the frequency/phase/amplitude in the time-domain based on the actual measured characteristics of the room modes in any case, whether this is pre or post equalization, etc.
No, convolution is definitely a rabbit hole you should dive into. I’ve been tinkering with REW for the past 2–3 days. If your room’s acoustics aren’t ideal and you’re having trouble getting your speakers to sound right, convolution is the right “hole” to explore.
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Thanks for the clarification @Ddude003, I thought I had read elswhere that was the case but then after reading the other article I was not so sure. As I stated it`s not too difficult for me to get confused 
I did try to use the sweep in HouseCurve earlier to test things out, it just flagged upo a message saying I need to purchase the tuning software or whatever it was so gave up on that for the time being.
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Thanks @xanthos, so a microphone is obviously a must in conjunction with REW, which one do you have?
@xanthos will of course answer for himself, but this is what I got in preparation for the measurements and convolution I still haven’t done. 
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Big word salad again… Since you only use headphones in your playback scenario there is no need for you to measure your room response, nor do you have the need to do any form of room correction… So you don’t have any hands on experience with Convolution, FIR filter creation and/or room correction…
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The Dayton Audios UMM-6 USB calibrated measurement microphone, miniDSP UMIK-1 USB calibrated measurement microphone or miniDSP UMIK-2 USB calibrated measurement microphone are your best options… The UMM-6 is the least expensive and the UMIK-2 is the most expensive… I have both the UMM-6 and the UMIK-1… I would also recommend nice pro microphone stand…
Using a uncalibrated cell phone, held in your hand, is definitely not the proper way to measure the acoustics of a small room…
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House Curve is calibrated to the iPhone microphone(s) and is a good way to get a feel for the process, without spending a bunch of money if the results are not what @u8myufo is seeking in regard to aesthetic sound-quality.
I’m not mixing or mastering either...
I use a 1954 Gibson J-45 Impulse response on my acoustic-electric…
Just because I don’t need to create an IR, doesn’t mean I don’t know how or why to create one… With enough patience, anybody can use the available tools today to acquire an impulse response of their listening environment and apply this in a convolution engine… It doesn’t take a special talent. 
In your case you are faced with the dilemma of dipole speakers in your room that add a complication that the Warfdale speakers do not create…
Hey @Agoldnear, How about you give the OP a break with cluttering up his thread with all these Red Herrings about THE “dilemma” that I face with my Martin Logan ESLs… Start a new thread if you want to pick on my kit… I dare you… 
@u8myufo
It appears the Evo 5.3 will most certainly be enhanced with a well placed pair of subwoofers or a well placed single subwoofer… However, depending on the area of your listening space and the proximity of neighbors, the amount of low-frequency energy that may be needed to realize the level of low-frequency harmonics that will satisfy your aesthetic taste, may not be so neighborly 
… If you look at the wavelength table I provided in a previous post, you will see:
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a full-power 63 Hz wave is approximately 6 meters in length, at 1/4 wavelength (1.4 meters) its amplitude is down 3dB from full-power…
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A full-power 31.5Hz wave is approximately 11 meters in length, at 1/4 wavelength (2.7 meters) its amplitude is down 3dB from full-power…
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A full-power 25Hz wave is approximately 14 meters in length, at 1/4 wavelength (3.4 meters) its amplitude is down 3dB from full-power…
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Well thats changed things a little for me if your statement is correct @Ddude003. I too use headphones, albeit only a pair of Sennheiser HD-650s but they sound sweet and warm to my ears. Hopefully nobody will advise me I need to go spend a couple of grand on a new pair Yes I understand I am not going to get the same sound from my speakers, but if and when I do get to sort out any room correction, would I be right in thinking I would then have to disable the FIR filter when using headphones, or would it hardly be noticeable?
Yes… you would need to disable the IR in Convolution.
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The EVO 5.3 low-frequency 3dB down point of 45Hz is a good cross-over frequency with a proper high-pass filtered subwoofer strategy that blends nicely with the roll-off of the EVO 5.3… The better you can limit the level of low-frequency energy below 45Hz delivered to the EVO 5.3 the cleaner it will sound… this would entail a cross-over strategy in the DSP or hardware or a bi-amplified or bi-wired system strategy and multiple outputs to serve the EVO 5.3 and the subwoofer(s) independent of the main speaker pair..
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That’s why I suggested to the devs to implement a function to create some kind of listening profiles. When users switch regularly between different headphones and speakers that would be beneficial.
Like what you can do with presets in the EQ but then on a higher level in the settings.
Now I have to disable convolution files for certain headphones and import other files or adjust settings for speakers.
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I have looked into a subwoofer before just as a matter of interest. Two subs are out as I already have one that is a dedicated wireless one for the Sony Quad system. As I already have XLR going to the Evo`s my only option would be to use a powered sub, setting the D9 to variable output and using an RCA connection to the sub