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1977 Mesa Boogie Mark 1 Combo Amp w/ ATA Case Wicker Owned by Carlos Rios #33967

Availability: In stock




BRAND: Mesa-Boogie

MODEL: Mark 1

FUNCTION: Combo Guitar Amplifier

PRODUCT DESCRIPTION: This listing is for a Mesa-Boogie Mark 1 from the personal collection of guitarist Carlos Rios. 

This amp was custom ordered by Carlos Rios back in 1976 and it was used exclusively all over Gino Vanelli's "Brother to Brother" album. It was Carlos' main amp and sound for many years that followed, both on stage and in the studio. 

Here Carlos talk about this amp in the video below! 


  • Serial #A1023
  • Built on April 1977
  • 2 - Mesa Engineering STR 415 6L6 Power Tubes
  • 2 - Mesa Engineering STR 427 6L6 GC Power Tubes
  • 1 - EVM 12L Speaker
  • 3 - GE Electronics 12AX7A/7025 Tubes
  • 2 - Amperex 12AX7A ECC83 Tube
  • Maple & Wicker Cabinet
  • Custom Options: Graphic Equalizer, Reverb, "Half Power" 60 Watt/100 Watt Switch

ACCESSORIES INCLUDED: This item comes as seen in photos, and does not include any accessories.


  • 1 - Anvil ATA Road Case

PHYSICAL CONDITION: Very Good - Shows moderate use and has various light scratches and nicks here and there.  Otherwise it is very clean and in very good condition for an amp built in 1977.

WORKING CONDITION: Good - Both channels 1 and 2 work and sound spectacular. Both the EQ knobs and the graphic EQ work superbly. All toggle switches work perfectly as well. The rear-panel presence knob does not seem to have any effect on the sound. And the reverb is not working. Both being easy fixes we decided to leave the amp as-is to preserve originality for the interested collector. 

Turning up the reverb control knob on the rear-panel just introduces noise in place of where the signal reverb should be. Speaker and I/O work perfectly. Overall working condition is good. A qualified tech will have to go over this amp to get it back to 100%.


UNPACKAGED DIMENSIONS: 13.5" x 25" x 22"

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