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dbx1231 > 이퀄라이저/프로세서

dbx1231 요약정보 및 구매

12 Series-EQs듀얼 31밴드 스테레오 그래픽 이퀄라이저


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12 Series-EQs듀얼 31밴드 스테레오 그래픽 이퀄라이저
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1231.jpg


특징


31밴드 스테레오


기능:바이패스 / 저음컷트 / 레인지 변환


사이즈:3구랙사이즈 무게:4킬로그램


그런대로 퀄리티 괜찮고 잘먹힘.

1231은 1215와 같은 기능을 보유하고 있으며 2개의 31 1/3 옥타브 밴드 채널 이퀄라이저로 +-6dB과 +-15dB


사이에서 바뀔 수 있는 부스트/컷 기능과 +-12dB 입력 게인 범위를 보유하고 있으며 18dB/octave 40Hz


Bessel low-cut 필터를 내장하고 있으며 XLR 베리어 트립과 1/4” TRS 커넥터를 포함하고 있습니다.





1231


Input Connector



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



Input Impedance



Balanced 40 k Ohm unbalanced 20 k Ohm



Maximum Input Level



+21 dBu balanced or unbalanced



Outputs Connector



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



Frequency Response



20 Hz to 20 kHz +0.5/-1dB



Thd + Noise



<0.005%



Interchannel Crosstalk



<-80 dB 20 Hz to 20 kHz



Dimensions



8.9(H) × 48.3(W) × 20.1(D) cm



Weight



3.9 kg




12311.jpg

Dual Channel 31 Band Equalizer


The dbx 12 Series were designed to meet the needs of the most demanding sound reinforcement


environments while offering the simplicity of straightforward controls. The 1231 provides standard


features like dual-channels 31 1/3 octave bands ISO frequency centers +/- 12 dB input gain range


and switchable 40Hz/18 dB per octave low-cut filters but also includes other insightful features. These


include 45 mm faders; selectable +/-6dB or +/-15dB boost/cut range for precise gain adjustments;


XLR barrier strip and 1/4"" TRS connectors for installation ease; balanced inputs and outputs for quiet


operation; and chassis/signal ground lift capabilities for quick hum isolation. The visionary design of


the dbx 12 Series makes your job easier.

The dbx 12 Series Equalizers were precision engineered to provide years of maintenance-free


operation in any application. The magnetically isolated transformer electronically


balanced/unbalanced inputs and servo balanced/unbalanced outputs RF-filtered inputs and outputs


and power-off hard-wire relay bypass with 2 second power up delay were steps our engineers took to


ensure compatibility for all installations. Only the best components were utilized yielding a 10Hz to


50kHz frequency response greater than 90dB SNR (ref +4dBu) less than 0.005% THD +Noise (1kHz at


+4dBu) and interchannel crosstalk of less than -80dB from 20Hz to 20kHz. All this attention to detail is


contained in a 2U steel/aluminum chassis. It’s no wonder that dbx has been a leader in the industry for


over 25 years.


Features


* Switchable Boost/Cut range between ±6dB and ±15dB

* Electronically balanced/unbalanced inputs

* Servo balanced/unbalanced outputs

* RF filtered inputs and outputs

* XLR Barrier Strip and 1/4" TRS connectors

* -12dB/+12dB input gain range

* 18dB/octave 40Hz Bessel low-cut filter

* Chassis/signal ground lift capability

* Internal power supply transformer


* Power-off hardwire relay bypass with 2-second power-up delay


dbx 1231 Specifications INPUTS


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


Type: Electronically balanced/unbalanced RF filtered


Impedance: Balanced 40k ohm unbalanced 20k ohm


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-balanced/unbalanced RF filtered


Impedance: Balanced 200 ohm unbalanced 100 ohm


Max Output Level: >+21dBu balanced/unbalanced into 2k ohm 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 115 dB


Signal-to-Noise: 90 dB 97dB


THD+Noise: <0.005%

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


Mains Connection: IEC receptacle

PHYSICAL


Dimensions: 3.5" H X 19" W X 7.9" D (8.9cm x 48.3cm x 20.1cm)


Weight: 8.5 lbs. (3.9 kg)


Shipping Weight: 9.5 lbs. (4.3 kg)

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