SWAMP EQ131 - 31 band Graphic EQ / Equalizer 19" Rack Mountable
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PLEASE NOTE: Unforunately our current batch of EQ131s are introducing a low volume hum when the ±12dB range switch is engaged (≈100Hz). The units are otherwise functioning as intended.
EQ131 31 band Equalizer 19" Rack Mountable
The EQ-131 is a single channel 31 band 1/3 octave graphic equalizer. The unit incorporates constant-Q circuitry with a 5% center frequency accuracy. Constructed in a strong metal housing, and with a whole range of features built in, this unit represents great value for both the enthusiast and the professional.
When to Use a Graphic EQ
Graphic EQ's are essential for live sound engineering, and are a vital tool for PA systems in any acoustic space. They are used to treat a Main Mix or Foldback Monitor output signal and tailor the sound to suit the room. An Equalizer provides the means to "cut" or reduce frequencies that may cause feedback on stage, or in the room, and eliminate unpleasant and harmful frequencies in the PA system.
Packed with Features
Special features include variable Low and High pass filters, selectable range ±6dB or ±12dB, balanced and unbalanced input/output connectors, variable level control, passive bypass switch, PEAK LED, ground lift switch.
- Single channel 31 band 1/3 octave
- Constant-Q performance
- LPF/HPF filters (2×31/1×31 BAND)
- Boost/Cut range 6dB or 12dB
- Balanced and unbalanced input/output connectors
- RFI shielding
- Variable Output Level Control
- Passive bypass switch
- Ground lift switch
- LED peak indicator
1×31 band 1/3-Octave ISO Spacing From 20Hz to 20KHz Type Constant Q (Accuracy 5% Center Frequency) Range ±6dB or ±12dB(Switch Selectable) Inputs: Connectors XLR 3Pin, 1/4" TRS Impedance 20K Ohms Bals; 15K Ohms Maximum Level +24dBu (Bal) +18dBu(Unbal) Outputs: Connectors XLR 3Pin, 1/4" TRS Impedance 20K Ohms Bals; 15K Ohms Maximum Level
+24dBu (Bal) +18dBu(Unbal)
Overall Gain Range Off to 3dB ( Unbal Out ) Sliders Centered
Off to 9dB ( Bal Out ) Sliders Centered
PEAK LED Threshold 5dB ( Below Clipping ) Frequency Response 10~250Hz, 12dB/Oct HPF Filter 3K~40KHz, 12dB/Oct LPF Filter 0.05% (1KHz +3dB) THD + Noise 96dB below Max. Level (A weighting) -81dB(0dB=0.775V) Signal-to-Noise Ratio 95~130VAC, 50/60Hz 190~250VAC, 50Hz Equivalent Input Noise -81dB(0dB=0.775V) Line Voltage
Input AC Power: 7W
Unit: Construction All Steel Size 1.75"H x 19''W x 8.5"D ( 1U ) ( 4.45cm x 48.3cm x 21.6cm ) Weight 2.05kg
Custom Label: KF-EQ131
Shipping Weight: 3.3000