Whatever you have done, it is an improvement.
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Left (blue) + right (yellow) post Dirac, with a target curve superimposed. This isn't as deficient in bass as it was before, but it is still deficient. It would be nice to get maybe 2-3dB more bass below 60Hz.
Your right speaker is noticeably more lumpy than the left, in particular there is a huge peak at 300Hz which is about +7dB. I don't know if it is because you are using that weird looking zig-zag target curve, but you are right - it is ludicrous. You should immediately put it back to a smooth curve, and use the same curve for left and right.
Anyway, let's look at more measurements and comment on them.
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On the left we have the IACC (inter-aural cross correlation) before Dirac compared to after Dirac. The IACC compares how similar the left and right channels are. The more similar the two channels, the better your stereo image will be. 1 is perfect correlation, 0 is no correlation. You want the scores to be as close to 1 as possible. Most typical rooms are about 0.7, "good" is 0.8 and above, and "excellent" is 0.9 and above. "Early" is the direct sound of your speaker (which you can manipulate with DSP), and "Late" is the reverb or decay of your room (which you manipulate with room treatment).
Let us focus on "early". We can see that Dirac has improved your IACC somewhat - at 63Hz it has gone from 0.606 to 0.873. There are slight improvements elsewhere, e.g. at 1kHz it has gone from 0.731 to 0.799. But that IACC at 4kHz and 8kHz is dismal. We can see that it was already terrible before Dirac, and there isn't much Dirac can do about it. Either your speakers were poorly manufactured and you got a really bad copy where the tweeters don't match, or you have positioned them poorly. I think the latter is more likely.
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This is the first 200ms of your step response. I don't normally zoom out so much, but I did it to show you some serious problems. On the left, we have "before (red) and after (green)" for the left speaker. On the right we have post-Dirac for left and right speakers.
FYI, this is my step response zoomed out to the same 200ms time scale so that you have an idea what it should look like:
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After the main impulse at 0ms, all waves that follow should be lower in amplitude than the main. If it is higher than the main, then either the time alignment was done poorly, or reflections are arriving that are louder than the main impulse. In this case, I think that Dirac has done a very poor job of subwoofer time alignment. If that huge peak on the graph on the right is the subwoofer's main impulse, then your sub time alignment is off by about 30ms. This is huge.
The reason your main impulse does not look as clean as mine is because yours is heavily contaminated by reflections.
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Since we are talking reflections, this is the Energy-Time Curve (ETC) of your left (blue) and right (yellow) speakers post Dirac. The rule is - in the first 20ms, all reflection peaks should be a minimum of -15dB to the main impulse (the main impulse is that big peak at 0ms). Also, each peak should be symmetrical between left and right (implying the speakers have been set up symmetrically in the room). I have drawn in the -15dB target and put green arrows on all the peaks.
I realise I am giving you a lot of information. You likely won't be able to understand and fix everything at once. But I suggest you start by taking a good look at your system and how you have positioned your speakers. For a start, there are a lot of very early and very loud reflections, and they are not symmetrical between left and right. Before you even begin to DSP, you need to position your speakers properly.