GEQ-1231D
Digital Stereo 31 Band Graphic EQ

Traditional Analog Feeling and Sound with State-of-the-Art Digital Signal Processing
XLR & 1/4" TRS Electronic Balanced Inputs and Outputs
Stereo 31-Band Graphic Equalizer, 2HE Size
Constant-Q 1/3- Octave Low-Noise Digital Filter Bank
5-LED Input Signal Level Display with Peak Indicator
Selectable GEQ Range: ±12dB, ±6dB and -24dB(Cut Only)
High-Cut Filter for Rumble Suppressing
Low-Cut Filter for Hiss Reduction
Reliable Peak Limiter with Threshold and 3-LED Gain
Reduction Meter
Permanent Stereo Channel Link
Soft-Clip Function
Output Clip indicator
ON Indicators for Low-Cut, High-Cut, and Limiter
Extended Frequency Response(Up to 30.5kHz)
Hard Bypass Relays
High-Resolution Processing Engine: 24-Bit AD/DA Converters, 64kHz Sampling Frequency, 40-Bit Internal Signal Path
Remote Control via MIDI (Optionally)

GEQ-1231D
Analog Input
XLR & 1/4" TRS, Electronically Balanced, RF Filtered
Impedance
> 10k ohm
Maximal Input Level
22 dBu
Analog Output
XLR & 1/4" TRS, Electronically Balanced, RF Filtered
Impedance
< 100 ohm
Maximum Output Level @ > 600ß ohm
22 dBu
Graphic Equalizer
31-Band 1/3-Octave Constant-Q Filter
Selectable Boost/Cut Range
±12dB, ±6dB, 0/-24dB(cut only)
Input Gain Control.
±12 dB
6-LED Input Level Meter
-3dBu ~ +12dBu, CLIP(> +18dBu)
Cut Filters
Low-Cut Frequency Range
15Hz - 200Hz
High-Cut Frequency Range
2kHz - 25kHz
Slope
12 dB/octave Butterworth
Peak-Limiter
Type
Maximizer with Soft Clip
Threshold
0 - 18dBFs
3-LED Gain Reduction Mete
1, 3, 5dB
Output Clip Indicator
> 20dBu
System Performance
Frequency Response (-0.5dB)
10Hz - 30.5kHz
Dynamic Range
> 94dB
THD+N
< 0.006%
Power Source
AC 110V~240V, 50/60Hz
Power Consumption
20W
Weight
3.5kg
Dimensions
482(W) x 44(H) x 280(D) mm
Owners Manual, Spec Sheet, Block Diagram, Drawing, and Large Scale Photo can be found here.