Stereo Graphic Equalizer
EQ2231 is a 3U 30 band, constant Q Stereo Graphic Equalizer with excellent function which is suitable for many kinds of sound adjustment in the audio projects. below is the function character:
• EQ filter is bypassed if fader is in centre indent position
• In the event of power failure a high quality relay switch sends input signal directly to output connectors
• Power-on delay for soft start
• Front Panel
2 x 30 constant Q faders ±15dB control range
9 x segment signal output LEDs
Gain control
High pass filter up to 250Hz
Low frequency shelf filter ±6dB of gain at 50Hz
High frequency shelf and filter ±6dB gain 14kHz
EQ bypass switch
• Rear Panel
2 x Balanced XLR input connectors
2 x Balanced XLR output connectors
6.5mm inputs and outputs connectors
Phoenix inputs and output connectors
Input Impedance
10kΩ Balanced and Unbalanced
Overloaded Electromotive Force
Frequency Response (±1dB)
Harmonic Distortion
<0.008% THD 20-20kHz
S/N Ratio
Max. Output Level
Output Impedance
Dynamic Range
>85dB @ 1kHz
Frequency Control
±15dB on ISO centres Q value for 4
Power Supply
115V/230V VAC 50-60Hz 30VA
Dimensions (W x D x H)
483mm (19”) x 180mm (7.1”) x 134mm (5.3”)
Net Weight (1 piece/pack)
3kg (6.6lb)
Gross Weight (1 piece/pack)
4.5kg (9.9lb)

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