E-1231 1-Channel 1/3 Octave Graphic Equalizer
The E-1231 is a single channel, 1/3 octave active graphic equalizer designed to allow clean, accurate audio equalization for stage, studio, or commercial applications.
E-232 2-Channel 2/3 Octave Graphic Equalizer
The E-232 has two 2/3 octave 14-point equalizers. It can be mounted in an EIA-Standard equipment rack (1-unit size).