GOLY PG Porter Grinder Mastering EQ - Vintage King
Vintage King Nashville - For all the mastering engineers of Music City, a new equalizer option has come to Vintage King. Watch our demo to hear the GOLY Porter Grinder Mastering EQ
Barry Porter NetEQ - Page 5 - Gearspace.com
Gear Review: GOLY Porter Grinder with Bob Katz - Hacienda Audio
Checking Out Mastering EQs With GOLY's Porter Grinder Mastering EQ and Stereo Dynamic Shelving EQ - YouTube