dbx 131s Graphic EQ Specifications

131s Graphic EQ

Single 31-Band Equalizer

Complete Loudspeaker Management System

Exceptional sound and rugged reliability

When the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx® EQ’s are the

industry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 131s meets

the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward

controls.

The dbx 131s includes a single 31-band channel of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB

boost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10Hz

to 50kHz frequency response and 110 dB dynamic range to the quality componentry and meticulous attention to detail, the

131s offers exceptional sound and rugged reliability that guarantees you will always sound your best.

Sure to ﬁnd a home in the studio, on tour and with installed sound venues, the dbx 131s 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

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

Features

< Single 31-band, 1/3-octave Constant Q

frequency bands

< Switchable boost/cut ranges of

±6 or ±12 dB

< Front panel bypass switch

< ±12 dB input gain range

< 4-segment LED ladders for monitoring

output levels

< XLR and TRS Inputs and Outputs

< Frequency Response of <10 Hz to >50kHz

< Dynamic range of greater than 108dB

Who uses this product:

dbx Professional

Products

8760 S. Sandy Pkwy.

Sandy, Utah 84070

BANDS

1.801.568.7660 PHONE

1.801.568.7662 FAX

DJs

SOUND

INSTALLATION

1.801.568.7583 INT’L FAX

customer@dbxpro.com

STUDIO

www.dbxpro.com

Speciﬁcations

131s Graphic EQ

Single 31-Band Equalizer

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 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: Typically >112dB Signal-to-Noise: Typically >95dB THD+Noise: <0.003% Interchannel Crosstalk: <-90dB, 20Hz to 20kHz

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

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: 100-240VAC 50/60Hz Power Consumption: 15W Mains Connection: IEC receptacle

PHYSICAL:

Weight: 4.8 lbs.(2.2 kg) Shipping weight 6.2 lbs. (2.8 kg) Dimensions: 1.75” (4.4cm) H x 6”(15.24cm) D x 19” (48.26cm) W