ART Pro Audio XL231 - Dual 31-Band, 1/3 Octave, Graphic EQ - Manual (Page 4)

ART XL 231 Dual 31 Band, 1/3 Octave Extended, Long Throw, Professional Equalizer
4
Variable Low Cut Filtering
To help keep bass under control, the XL 231 Graphic Equalizer incorporates a variable
swept Low Cut filter.
Automatic Relay Bypass
The XL 231 Graphic Equalizer also features automatic relay bypass of audio, an
essential function if power to the unit is lost. Rugged construction and solid audio
performance make this equalizer particularly well suited to fixed installation as well as
touring live sound systems.
Additional Controls and Indicators
The XL 231 Graphic Equalizer includes a variable output level control, 10 segment level
bar with peak hold, clip level indicator, and selectable line voltage.
Additional features include selectable Scale Switching - (High Slider Resolution ±6dB -
or Normal Resolution (±12dB), active balanced and unbalanced input/output
connectors, and RFI filtering.
A front panel Bypass switch allows direct comparison between the equalized and non-
equalized signal for each channel.
Multiple Connectivity
The XL-231 Graphic Equalizer may be connected to a wide variety of audio devices.
It has three sets of input and output connectors: XLR, ¼” phone, and detachable
Euroblock barrier strip connectors. The inputs are wired in parallel. The XLR and Euro
block output connections are also wired in parallel. A separate output circuit is used for
the ¼” phone output. It provides a balanced connection that results in the same output
level when operated with balanced, or unbalanced connections.
Durability by Design
The XL-231 Graphic Equalizer is designed and engineered to be durable and rugged.
It is an ideal choice when the need for a robust equalizer is of paramount concern. It is
designed for mounting in a standard 19" equipment rack or portable case.
Precision and Quality
When considering quality equalization, the XL-231 Graphic Equalizer is an excellent
choice. It delivers extremely precise, powerfully flexible and simply great sounding
equalization, with the quality features and reliable design criteria necessary for top-level
audio performance.