Home Features Ampeg Expands Pedal Lineup with the Liquifier Analog Chorus and Opto Comp Analog Optical Compressor Ampeg Expands Pedal Lineup with the Liquifier Analog Chorus and Opto Comp Analog Optical Compressor planetsixstring February 17, 2018 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Both pedals feature rugged, roadworthy construction, true-bypass switching, and a pedalboard-friendly size.