Art Multiverb LT Midi 16-Bit Digital Multi-Effect Processor

DOD 430 Series II graphic EQ

DOD R-430 C Series Dual 15 Stereo Band Graphic Equalizer, Rack Mount

DOD 231 Series II Dual Channel 31-Band Graphic Equalizer EQ

ART Applied Research & Technology 172 One Third Octave Equalizer 31 band EQ 1/3

ART EQ-351 31-band Graphic Equalizer

DOD R231 QX Dual 31 Band EQ Rack Mount Graphic Equalizer Stereo 2 Channel Works

Electro-Voice EV EQ-131 Graphic Equalizer 31 Band 1/3 Octave Mono XLR 1/4" TRS