In this video I go through the annoying phenomenon of phase cancellation, you know when the sound waves from multiple speakers collide and cancel each other out. This usually results in a thin, tinny guitar tone. I go through a couple of method how avoid this and get a full, natural and spatially rich guitar sound.
I'm using a 2021 Marshall Studio Vintage SV20H with a 1970 Marshall 2x12 model 1972B with T1221 Celestion Pulsonic Greenbacks. The guitar is a 1973 Gibson Les Paul Custom