The image shows a box for a dbx 231 SUB 2-Series Graphic EQ. This is a dual 31-band equalizer used in audio systems for precise frequency control.
Specifications
Channels: Dual 31-band channels
Frequency Bands: 1/3-octave Constant Q frequency bands
Boost/Cut Range: Switchable
±6plus or minus 6±
6
dB or
±12plus or minus 12±
1
2
dB ranges
Input Gain Range:
±12plus or minus 12±
1
2
dB input gain range
Inputs/Outputs: Features XLR and 1/4" TRS inputs and outputs
Frequency Response: Less than 10Hz to over 50kHz
Dynamic Range: Greater than 108dB
Low-Cut Filter: 12dB per octave 50Hz low-cut filter
Display: 4-segment LED ladders for monitoring output levels
Chassis: 19-inch rack-mount chassis, 2U rack space
Power: Internal toroidal transformer
Controls: Front panel bypass switch for A/B comparisons
