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KOTV professional dual 31 band graphic equalizer
Features
Switchable Boost/Cut range between ±6dB and ±15dBElectronically balanced/unbalanced inputsServo balanced/unbalanced outputsRF filtered inputs and outputsXLR, Barrier Strip, and 1/4 inch TRS connectors-12dB/+12dB input gain range18dB/octave 40Hz Bessel low-cut filterChassis/signal ground lift capabilityInternal power supply transformerPower off hardwire relay bypass with 2 second power up delayInputs
Connectors: 1/4 inch TRS, fenals XLR (pin 2 hot), and barrier terminal stripType: Electronically balanced/unbalanced, RF filteredMaximum Input Level: >+21dBu balanced or unbalancedCMRR: >40dB, typically >55dB at 1kHzOutputs
Connectors: 1/4 inch TRS, male XLR (pin 2 hot), and barrier terminal stripType: Impedance-balanced/unbalanced, RF filteredImpedance: Balanced 200 ohms, unbalanced 100 OhmsMaximum Output Level: >+21dBU balanced/unbalanced into 2kOhms or greater>+18dBm balanced/unbalanced (into 600 ohms)System Performance
Bandwidth: 20Hz to 20kHz, +0.5/-1dBFrequency Response: <10Hz to >50kHz, +0.5/-3dBDynamic Range:+/-15dB Range: 109dB +-6dB Range: 115dB
Signal-to-noise Ratio:
+/-15dB Range: 90dB +-6dB Range: 97dB
THD+Noise: <0.005%
Interchannel Crosstalk: <-80dB, 20Hz to 20kHz
Function Switches
EQ Bypass: Bypasses the graphic equalizer section in the signal pathLow Cut (recessed): Activates the 40Hz 18dB/octave Bessel high-pass filterRance (recessed): Selects either +/-6dB to +/-15dB slider boosy/cut rangeIndicators
Output Level: 4-LED bar graph (Green, Green, Yellow, Red) at -10, 0, +10, and 18dBuEQ Bypass: 1 LED: redClip: 1 LED: redLow Cut: 1 LED: red+/-6dB: 1 LED: yellow+/-15dB: 1 LED: redPower Supply
Operating Voltage: 100VAC 50/60Hz, 120VAC 60Hz, 230VAC 50/60HzPower Consumption: 24 wattsMains Connection: IEC receptacleKOTV 1231 professional dual 31 band graphic equalizer