Klark Teknik DN370 - Dual 1/3 octave analogue graphic EQ with hi/lo pass and notch filters, 3U Rack Space
Vintage Graphic EQ in Logic Pro for Mac - Apple Support
E Graphic EQ by Nomad Factory
PEQ vs Graphic EQ
10-band Graphic EQ KIT
Amazon.com: TKL T2531 Professional Graphic Equalizer Audio Processor Two 31-Band Spectrum Display 2U Audio Digital Equalizador Professional Sound system Professional Equalizers For KTV Stage Performance : Musical Instruments