Cranked MIND BLOWING 1967 Marshall PLEXI Full Stack with 20-WATTERS!

Demo of a 1967 Marshall JMP Superbass Full Stack with 1960 4x12 speaker cabinets with G12M20 75Hz Celestion Greenbacks (Pulsonic cones. I play it with a Gibson Les Paul 1959 Reissue. This one is a custom color red, which is super rare, especially for 1967.