Orban 622B Dual Channel Rack-Mount Parametric Equalizer with Overload Indicator

(Pair) Harrison Audio MR3eq 500 Series 3-band Parametric EQ

DOD 231 C Series Dual Channel 31-Band Graphic Equalizer EQ Rack Mount “Read”

T.C. Electronic TC1140 HS PARAMETRIC EQUALIZER/PREAMPLIFIER 1U RACK MOUNT

Free Shipping! BSS Soundweb BLU100 Rack Mount Signal Processor

Orban 642B Blueface 1/4" In/out, Stereo 4 Band Parametric Equalizer, Eq, Vintage

RANE Parametric Equalizer PE 15 Rackmount Tested Functional

Symetrix 528 Voice Processor - Original grayface - Channel Strip