Hi, Mike...
In my system adding a few of the HFC MC 0.5 magnetic conditioners to unused power outlets has made an immediate and noticeable improvement. At around $200, the MC 0.5 is the least expensive product HFC sells. Well worth the cost.
I also have found that experimenting with the tilt angle of my speakers - in addition to setting optimal toe in and room placement, etc. - has made a big improvement in my system. This may not apply to a speaker as well engineered and designed as your A3, though.
GLHF!
In my system adding a few of the HFC MC 0.5 magnetic conditioners to unused power outlets has made an immediate and noticeable improvement. At around $200, the MC 0.5 is the least expensive product HFC sells. Well worth the cost.
I also have found that experimenting with the tilt angle of my speakers - in addition to setting optimal toe in and room placement, etc. - has made a big improvement in my system. This may not apply to a speaker as well engineered and designed as your A3, though.
GLHF!