1990 Mesa Boogie – 4YB 4×12 Box – Split Back – ID 3992

Semi-open mesa speaker with 2 Black Shadow and two Eminence speakers.
Well maintained condition.

280 watt
2 x 4 Ohm stereo
1 x 8 Ohm mono
2 x Celestion type MC-90 (open)
2 x Eminence (closed)
With rollers