Corrective EQ for Matrix Q12(a)

Dear all,

my Axe-FX is routed to a couple of Matrix Q12A FRFR amps. These are not /exactly/ flat. I found two threads on the forum with "corrective" EQ propositions for them, but the two solutions in question look quite different (reproduced below), so I'm wondering if anyone has conducted a, perhaps, more scientific or objective experiment, and came up with something ?

Thank you!
For reference, here are the two propositions I found:

63 = -4.3db
125 = -5db
500 = +4db
4k = -6.5db
8k = -3.7db

119 = -2.55 / Q = 1.46
200 = 0db / Q = 0.71
400 = 0db / Q = 0.71
1335 = 4.72db / Q = 1.32
5690 = 0db / Q = 1
 
went thru a similar adventure with my unflat Atomic FR cabs. Found posts of flattening eq curves for them but varying a lot and never working on mine. My solution was to buy a reference mic and do some eq matching of various sounds (clean / dirty guitar / white noise) using Logic's EQ Match plugin against my studio monitors and using the resulting compensating eq curves yielded from the plugin to guide my EQ of the Atomics - this got me a lot closer.
 
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