What AM antenna did you upgrade to? Where I live both of my Outlaw products the 2250 and 1050 seem to get worse AM and FM reception than the clock radio in my bedroom and far worse than I get in the car (even parked in the garage which is directly under the dining room where the 2250 is).
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Living Room 24x18 open 1/2 flight up to a raised dining room/hall 24x12
Outlaw 976 pre-pro running 5.1 system
Outlaw 750 for Artison Masterpiece LCR and 2 NHT SuperZeros rears
Velodyne Servo FX-1200
LG OLED65C8PUA via HDMI2 to/from 976 HDMI ARC
Roku Ultra
Samsung BD-D5500 BluRay
Amazon FireStick 4K to 976 Aux HDMI input for Amazon Music Ultra