The EQ2231 is a 3U 30 band, constant Q Stereo Graphic Equalizer.

• 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

Front Panel:

Rear Panel:

Specifications
Input Impedance	10kΩ Balanced and Unbalanced
Overloaded Electromotive Force	8.5V
Frequency Response (±1dB)	5Hz-45kHz
Harmonic Distortion	<0.008% THD 20-20kHz
S/N Ratio	>92dB
Max. Output Level	9.5V
Output Impedance	<50Ω
Dynamic Range	>115dB
Crosstalk	>85dB @ 1kHz
Frequency Control	±15dB on ISO centres Q value for 4
Power Supply	220V 50Hz
Dimensions (W x D x H)	483mm (19”) x 228mm (10”) x 45mm (1.8”)
Net Weight (1 piece/pack)	4.7kg (10.4lb)
Gross Weight (1 piece/pack)	6.3kg (13.9lb)