Bruno Underground 30 - Comparing 2 Different UG30 Amps - Through a Dr Z 2x12 with Blues

2 Different Bruno UG30s. The only real differences are the components. The tan on has a NOS mustard cap, 2 wima caps in the PI and 2 mallory 25uf caps where the black has all orange drop caps. Same transformers.
Guitar is a 0255 replica with Ron Ellis 50b pickups.
Dr z 2x12 with blues.