Use mid-side EQ for hard-panned double tracks
If double-tracked elements, like guitars, seem to disappear in mono, EQ the mid channel such that they are more prominent, then, if necessary, balance the sides with equal and opposite moves.1
Notes mentioning this note
Mid Side processing
Mid-side processing [[Side is decorrelated]] [[Boost the highs on the side and the lows on the mid]] [[Use mid-side nonlinear...
Stereo processing
Stereo processing [[Use short delays for stereo width]] [[Creating a fake double track]] [[Use a graphic EQ for stereo widening]]...