Dbx 131, 215, 231 Manuel utilisateur

8760 S. Sandy Pkwy.

Sandy, Utah 84070

Phone (801) 568-7660

Fax (801) 568-7662

Int’l Fax (801) 568-7583

[email protected]

http://www.dbxpro.com

A Harman International Company

18-0109-A 7/02

131

Single Channel 31-Band Graphic Equalizer

The dbx 2-Series Graphic Equalizer series have been designed to meet the needs of the most

demanding sound reinforcement environments, while offering the simplicity of straightfor-

ward controls. The 131 provides not only offers standard features like single-channel, 31, 1/3

octave bands, ISO frequency centers, +/- 12 dB input gain range, and switchable 50Hz/12

dB per octave low-cut filter, but also includes other insightful features. These features include

20 mm faders; selectable +/-6dB or +/-12dB boost/cut range for precise gain adjustments;

XLR, and 1/4'' TRS connectors for installation ease; balanced inputs and outputs for quiet

operation. The visionary design of the dbx 2-Series makes your job easier.

The 2-Series represents a major step forward in the performance of entry-level graphic

equalizers. From its amazing 10Hz to 50kHz frequency response, to its 108dB dynamic

range, internal toroidal transformer, the 2-Series offers out of this world specifications with

a down to earth price point. Sure to find a home in the studio, on tour and with installed

sound venues, the 2-Series is destined to take its rightful place in the lineage of great dbx®

signal processors that are the professional’s choice in signal processing. With such afford-

able quality, there’s no longer any excuse for compromising your sound.

• Single 31-band, 1/3-octave

Constant Q frequency bands

• Switchable boost/cut ranges of ±6

or ±12 dB

• 12 dB per octave, 3dB down @

50Hz low-cut filter

• Front panel bypass switch

• ±12 dB input gain range

• 4-segment LED ladders for moni-

toring output levels

• XLR and TRS Inputs and Outputs

• Internal Toroidal Transformer

• Frequency Response of <10 Hz to

>50kHz

• Dynamic range of greater than

108dB

Inputs

Connectors: 1/4" TRS, female XLR (pin 2 hot)

Type: Electronically balanced/unbalanced, RF filtered

Impedance: Balanced 40kΩ, unbalanced 20kΩ

Max Input Level: >+21dBu balanced or unbalanced

CMRR: >40dB, typically >55dB at 1kHz

Outputs

Connectors: 1/4" TRS, male XLR (pin 2 hot)

Type: Impedance-balanced/unbalanced, RF filtered

Impedance: Balanced 100Ω, unbalanced 50Ω

Max Output Level: >+21dBu balanced/unbalanced into 2kΩor 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: 108db

Signal-to-Noise: 90db

THD+Noise: <0.004%

Interchannel Crosstalk: <-80dB, 20Hz to 20kHz

Function Switches

EQ Bypass: Bypasses the graphic equalizer section in the signal path

Low Cut: Activates the 50Hz 12dB/octave high-pass filter

Range: Selects either +/- 6dB or +/- 12dB slider boost/cut range

Power Supply

Operating Voltage: 100VAC 50/60Hz, 120VAC 60Hz, 230VAC 50/60Hz

Power Consumption: 12W

Mains Connection: IEC receptacle

Note: Specifications subject to change.

131

Single Channel 31-Band Graphic Equalizer

dbx engineers are constantly working to improve the quality of our products. Specifications are, therefore subject to change without notice.

FOR MORE INFORMATION CONTACT:

dbx Professional Products

8760 S. Sandy Pkwy.

Sandy, Utah 84070

Phone (801) 568-7660

Fax (801) 568-7662

[email protected]

http://www.dbxpro.com

A Harman International Company

The Professional’s Choice In Signal Processing

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