NTS 1231

Main Feature - Switchable range between +/-6dB and +/-15dB - Balanced input and output - XLR, barrier strip and 1/4" TRS connector - Input gain range -12dB/+12dB - 18dB/octave 40Hz Bessel low cut filter - Chasis/signal ground lift capability Input Connector 1/4" TRS, female XLR (pin 2 hot) and barrier terminal strip Type Electronically balanced/unbalanced, RF filtered Impedance Balanced 40KΩ, unbalanced 20KΩ Max Input Level > +21dBu balanced or unbalanced CMRR > 40dB, typically > 55dB at 1KHz Output Connector 1/4" TRS, male XLR (pin 2 hot) and barrier terminal strip Type Impedance balanced/unbalanced, RF filtered Impedance Balanced 200Ω, unbalanced 100Ω Max Output Level > +21dBu balanced/unbalanced into 2KΩ or greater > +18dBm balanced/unbalanced (into 600Ω) System Performance Bandwidth 20Hz to 20KHz, +0.5/-1dB Frequency Response < 10Hz to > 50KHz, +0.5/-3dB Dynamic Range (+/-6dB range) 115dB Dynamic Range (+/-15dB range) 109dB Signal to Noise (+/-6dB range ) 97dB Signal to Noise (+/-15dB range) 90dB THD+Noise < 0.005% Interchannel Crosstalk < -80dB, 20Hz to 20KHz Function Switch EQ Bypass Bypass the graphic equalizer section in the signal path Low Cut (recessed) Activate the 40Hz 18dB/octave Bessel high pass filter Range (recessed) Select either +/-6dB or +/-15dB slider boost/cut range Indicator Output Level 4 LED bar graph at -10, 0, +10 and +18dBu EQ Bypass Red LED Clip Red LED Low Cut Red LED +/-6dB Range Yellow LED +/-15dB Range Red LED Power Supply Operating Voltage 230VAC 50/60Hz Power Consumption 24 Watts Main Connection IEC receptacle