1231은 1215와 같은 유산을 공유하지만, 2개의 31 1/3 옥타브 밴드 채널; ISO 주파수 센터; +-6dB과 +-15dB 사이에서 바뀔 수 있는 boost/cut 범위; +-12dB 입력 게인 범위; 18dB/octave 40Hz Bessel low-cut 필터; 균형맞은 입력과 출력; XLR, 베리어 트립과 1/4” TRS 콘넥터를 포함하고 있습니다.

INPUT

Connectors:

1/4" TRS, female XLR (pin 2 hot), and barrier terminal strip

Type:

Electronically balanced/unbalanced, RF filtered

Impedance:

Balanced 40 kOhm, unbalanced 20 kOhm

Max Input Level:

>+21dBu balanced or unbalanced

CMRR:

>40dB, typically >55dB at 1kHz

OUTPUTS

Connectors:

1/4" TRS, male XLR (pin 2 hot), and barrier terminal strip

Type:

Impedance-balanaced/unbalanced, RF filtered

Impedance:

Balanced 200 ohm, unbalanced 100 ohm

Max Output Level:

>+21dBu balanced/unbalanced into 2 kOhm or greater
>+18dBm balanced/unbalanced (into 600 ohm)

SYSTEM PERFORMANCE

Bandwidth:

20Hz to 20kHz, +0.5/-1dB

Frequency Response:

<10Hz to >50kHz, +0.5/-3dB

+/-15dB range

+/-6dB range

Dynamic Range:

109dB

115dB

Signal-to-Noise:

90dB

97dB

THD + Noise:

<0.005%

Interchannel Crosstalk:

<-80db, 20Hz to 20kHz

FUNCTION SWITCHES

EQ Bypass:

Bypasses the graphic equalizer section in the signal path

Low Cut (recessed):

Activates the 40Hz 18dB/octave Bessel high-pass filter

Range (recessed):

Selects either +/- 6dB or +/- 15dB slider boost/cut range

INDICATORS

Output Level Meter:

 4-LED bar graph (Green, Green, Yellow, Red) at -10, 0, +10, and +18dBu

EQ Bypass:

1 LED: Red

Clip:

1 LED: Red

Low Cut:

1 LED: Red

+/-6dB:

1 LED: Yellow

+/-15dB:

1 LED: Red

POWER SUPPLY

Operating Voltage:

 100VAC 50/60Hz, 120VAC 60Hz
 230VAC 50/60Hz

Power consumption:

24W

Main Connection:

IEC receptacle

PHYSICAL

Dimensions:

 5.25" H X 19" W X 7.9" D (13.4cm x 48.3cm x 20.1cm)

Weight:

10.6 lbs.

Shipping Weight:

11.6 lbs.

Note: Specifications subject to change without notice.