Recorded model
MXR M-103 Blue Box
Controls
Output / Blend / Footswitch
Documented settings
Photographed 2009 board / Exact settings not documented
Effect profile / Gain
Also documented as Blue Box
This gain entry consolidates documented MXR M-103 Blue Box variants, controls, settings and roles across dated guitarist pedalboards.
Source-specific records
1 archive entry
Output / Blend / Footswitch
Photographed 2009 board / Exact settings not documented
Archive references
1 documented rig