Mesa Boogie 50 Caliber Crushing High Gain tone (retubed) No Boost

Just received the amp from my tech, it’s been fully serviced and retubed. So it’s got the second birth and now sounds like a beast. No any boost pedals Gibson Explorer C standard D’Adario 10-52 Celestion g12h 30 x2 Marshall g12 vintage x2 Immortal Echo in the fx loop