Knowledge Base
DOD SR-431 QXLR
31-band Graphic Equalizer
The SR431 QXLR is a single rack space, 31 band 1/3 octave graphic equalizer. Its fully shielded internal transformer provides extremely quiet operation. and like all of the SE line of equalizers, it has constant Q filters.
FEATURES:
Constant Q
Low cut filter at 50Hz with a 12dB/Octave slope
Balanced XLR inputs and outputs
Balanced 1/4" inputs and impedance balanced 1/4" outputs
ISO 1/3 octave frequency centers
Source: http://www.dod.com/