Just go gently with the EQ and see if a small reduction at 4k works for you. It's possible more is needed elsewhere, but without measurements, you're flying blind, so you will just have to rely on you ears for now. My offer still stands if you are interested. Do you have a pic of the setup? Seems like you have a bit of asymmetry, but otherwise, a quite normally reverberant room.
. Unfortunately, audio is full of this type of feeble minded/used car sales BS. You should ask him to define the exact electrical properties (an amplifier is an electrical device with a transfer function) that define "musical". That would be worth a laugh
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He understands that some (highly susceptible) minds are affected by audio jewelry, so you can't blame him for trying
Then it seems that like me, you're stricken with something called 'common sense', a condition many audiophiles are immune to
. This is exactly correct..and unlike "musicality" which exists only in the overactive imagination of the technically illiterate...the speaker/room combo is measurable, real, demonstrable...and correctable. The "demonstrable" part is up to you, mid-April.
cheers,
AJ