4-Pin XLR Power Cable for Tangent SM12

I recently acquired a Tangent SM12 Mixing board but it has no power cable. There is a male 4-pin XLR jack wired to a ON-ON switch, looks like 5A 120VAC. When researching about how to make a power cord for this, I came across some discussion about 4-pin XLR being used for video camera gear that took DC, and a lot of the power cables with 4-pin XLR connectors come with AC/DC converters. The 4-PIN male xlr jack is wired with pin 1-Yellow, pin 2-Black, pin 3-Red. Can I just solder a 4-pin XLR... Read more