1231XS

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

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.)