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Stay away from attenuating resistors. They remove a lot of information.Toe them out an inch.Problem solved.
The resistors dont remove any info! The purpose of them is to attenuate some of the HF energy
You said it. Attenuation of high frequency energy is removing info. Air, space, an instruments' HF attack, etc. are all affected by this attenuation. Either way, seems the OP made some changes and all is good.
Most of the sound that strikes our ears comes not from the speaker, but from room reflections. The brain combines it with the initial direct sound to get a sense of timbre, which is why in-room response is better at predicting how a speaker will sound than on-axis response.OK, so room materials vary quite widely in the frequencies they absorb. Carpets, drapes, and so forth tend to absorb only high frequencies. Glass reflects mids and highs, but is transparent to low frequencies, so windows are the opposite.Professional acousticians go to great lengths to keep absorption even over the entire frequency range, but at home, it can vary widely. So a resistor that works for one person won't work for another. And it isn't really right to think of the resistor as something that distorts the signal. The room has a frequency response, and the resistors help tailor the frequency response of the speaker so that the balance at your ears is right.However, the resistor is a coarse adjustment, in that it shelves down the entire tweeter, and it should be possible to achieve a more accurate response by adding or removing high frequency absorption in the room, or by using electronic equalization.
Exactly (well almost) Diffusion can also be very important for Maggies and Logans.Too many people overlook the room and feel that they can "tweak" the rig. These "tweaks" do make changes but can only be truly effective once the room has been attended to. Making a better sounding room can be done in many ways. One can use plants, rugs, wall hangings, etc. somewhat effectively. You use what you have available and can afford. You can also use products from GIK or others to do a better job. These commercial solutions can be expensive and can ruin the aesthics of your room.It is your choice, but the room must be considered.