https://www.newegg.com/p/2VH-029D-00095?Item=9SIBFM7J9D6532
18VAC AC Adapter for Radio Shack SSM-60 273-1690 2731690 Mackie Mix5 Mix8 Mix12FX Mix 12 FX Mixer...
Buy 18VAC AC Adapter for Radio Shack SSM-60 273-1690 2731690 Mackie Mix5 Mix8 Mix12FX Mix 12 FX Mixer HKA18-600 AC18V 18V AC 300mA 600mA 1000mA Power Supply...