Voicing equalizers

Yamaha EM150 Yamaha EQ-1100 Yamaha EQ-32 Yamaha EQ-330 Yamaha EQ-500 Yamaha EQ-550 Yamaha EQ-630 Yamaha EQ-70 Yamaha GQ1031 Yamaha GQ2015 Yamaha GQ2015A Yamaha Q100 Yamaha Q1027 Yamaha Q1131 Yamaha Q2031 Yamaha Q2031A Yamaha Q2031B Yamaha YDG2030 Yamaha spx90