ST UNITED EQ-231 B

frequency bands; 2x31 1/3 octive,iso spacing inputs; rf filtered,servo-balanced input input/ output type ; 2 balanced xlr and unbalanced 1/4'' input impedanced; 20 k ohms unbalance 40 kohms balance output impedance; 330 ohms frequency response; 20 hz-20 khz +/_1 db s/n ratio; >95 db thd;0.005% chanel separation; battewr than 50 db range of filter control; +/-6 db or +/- 12 db select max.output level;+21 db fuse 1.0 a/250v ,5 mm glass type dimensions 19 x 3.46 x 5.31 ( 482 x 88 x 135 mm) weight 7.0 lbs 3.5 KG )