ART HQ-231 Dual 31-band Graphic Equalizer

The ART HQ-231 Dual 31-Band EQ features ART 's proprietary FDC (Feedback Detection Circuit) found exclusively in ART equalizers. FDC shows you exactly where feedback is occurring - quickly and precisely - making the proper attenuation of offending frequencies fast and easy.

Professional quality features , functionality and a new low-noise design make the HQ-231 an outstanding equalizer. The HQ-231 has Constant-Q filtering with ISO centers, independent variable highpass and lowpass filters, L E D - illuminated detented slide potentiometers, switchable +/- 6db or +/-12db boost/cut ra n g e, independent level a nd bypass controls, and EQ output LED metering.

The HQ-231 is extremely useful for equalization and feedback elimination in a wide variety of situations, including live sound reinforcement, monitor mixes, nightclub and DJ applications, churches , restaurants and many more environments where precision equalization and feedback detection is essential.

Specifications:

• Number of Bands: 2 x 31-band
• Q Type: Constant
• Boost/Cut Range: ±6dB, ±12dB (Switchable)
• Low Cut Filter: Variable
• High Cut Filter: Variable
• Faders Throw: 45mm
• Rack Spaces: 2U
• Height: 3.5" 
• Depth: 7.5"
• Width: 19"
• Weight: 12 lbs.

Features:

• Low Noise - High Performance Circuitry
• Dual 31-Band EQ
• FDC Feedback Detection Circuit
• Constant - Q filtering with ISO Centers
• LED Illuminated Detented Sliders
• Switchable Power Line Voltage
• 2U Rack Spaces
• Independent Variable High-Pass and Low-Pass Filters
• Switchable +/- 6db or +/-12db Boost /Cut Range
• Independent Level and Bypass Controls
• Equalizer Output LED Metering