Graphic & Parametric Equalisers for PA

9.5" graphic equalizer, FBQ feedback detection system, high-pass filter, 6-digit LED input/output level display

FBQ3102HD Ultragraph Pro 2 x 31 Band EQ, Professional 31-band stereo graphic equalizer for live and studio applications, FBQ Feedback Detection system instantly reveals critical frequencies and can...

The ULTRAGRAPH PRO FBQ6200 takes the graphic equalizer a giant leap forward technologically, providing robust feature sets and our proprietary FBQ Feedback Detection System – at a price that makes ...

The EQ351 31-Band Graphic Equaliser by ART features constant Q circuitry with a 3% centre frequency accuracy, 20mm centre detent sliders, selectable boost/cut range of 6dB or 12dB, active balanced ...

The 1231 provides such standard features as dual channels of 31 - 1/3-octave bands, ISO frequency centers, +/-12dB of input gain range, and switchable 40Hz/18dB per octave low-cut filters.