Up for sale is a barely used DBX model 1231 professional series dual band graphic equalizer. Selectable low cut filters and 6 or 15dB boost/cut range. Has both balanced and unbalanced ins/outs. Cosmetically very clean with no issues.
$199 plus actual shipping CONUS only, paypal accepted
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=246-148&FTR=dbx%201231

Manufacturers Specs:
Switchable boost/cut ranges of ±6 or ±15 dB
Electronically balanced/unbalanced inputs
Servo balanced/unbalanced outputs
RF filtered inputs and outputs
XLR, Barrier Strip, and 1/4" TRS connectors
-12dB/+12dB input gain range
18dB/octave 40Hz Bessel low-cut filter
Chassis/signal ground lift capability
Internal power supply transformer
Power-off hardwire relay bypass with 2-second power-up delay