NTS 2231XS EQ ST 31BAND

Main Feature

– Type III noise reduction capable of restoring up to 20dB S/N ratio

– PeakPlus limiter for system protection

– 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

– Chassis/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 120Ω, unbalanced 60Ω

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

Noise Reduction In (+/-6dB and +/-15dB range)

: Signal to Noise > 100dB, unweighted

: Dynamic Range > 118dB, unweighted

Noise Reduction Out (+/-6dB range)

: Signal to Noise > 94dB, unweighted

: Dynamic Range > 112dB, unweighted

Noise Reduction Out (+/-15dB range)

: Signal to Noise > 90dB, unweighted

: Dynamic Range > 108dB, unweighted

THD+Noise < 0.04%, 0.02% typical at +4dBu, 1KHz

< 0.5% at 1KHz with 15dB gain reduction

Interchannel Crosstalk < -80dB, 20Hz to 20KHz

Noise Reduction Up to 20dB of dynamic broadband noise reduction

Function Switch

Type III NR Activate Type III Noise Reduction

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

Gain Reduction 4 LED bar graph at 0, 3, 6 and 10dB

Type III NR Active Yellow LED

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 28 Watts

Main Connection IEC receptacle

Physical

Dimension [HxWxD] 5.25″ x 19″ x 7.9″ (13.4 x 48.3 x 20.1 cm.)

Weight 10.6 lbs. (4.8 kg.)

Shipping Weight 11.6 lbs. (5.3 kg.)