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DBX 131S

169
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Online : sent within 7 days
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Shipping: Shipping cost calculated on next step
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This item is warranted for 3 years
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Ref.: 145571
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Description

Essential Information About the dbx Series 2 31-Band Graphic Equalizer

  • 31 bands of 1/3 octave at constant Q to precisely shape a front of house, monitor, or studio chain without unbalancing adjacent bands.
  • Two switchable correction ranges (+/-6 dB or +/-12 dB) to switch from fine tuning to stronger correction in one move.
  • Symmetrical XLR and 6.35 mm Jack connectivity and front panel bypass for quick integration and immediate comparisons.
  • High-end electronics (10 Hz to 50 kHz, dynamic range rated > 112 dB) and integrated power supply with toroidal transformer for a clean and stable signal.

The dbx Series 2: The "Pro" Spirit Made More Accessible

With the Series 2, dbx has a clear goal: to maintain the fundamentals that made its graphic equalizers renowned in live sound and control rooms, while offering simple handling and a format ready to integrate into any rack. This generation emphasizes an intuitive user interface, readable level control, and careful design to provide a real quality upgrade for those seeking an effective graphic equalizer without unnecessary complexity.

Who Is This 31-Band Graphic Equalizer For?

This model is designed for applications where one wants to quickly and cleanly correct a system response or overall tone: console output processing, optimization of a sound reinforcement system, stage monitor management, or corrective equalization in the studio (on a bus, a monitor, or a dedicated outboard). Thanks to its balanced inputs/outputs and 1U format, it naturally fits into a FOH rack, a rental fly-case, or a studio rack, offering immediate and reassuring operation for daily use.

Precise Control, Operational Security, and Signal Integrity

31 Bands at Constant Q: Correct Without Degrading

The 1/3 octave equalization allows fine targeting of resonances, potential feedback, and harsh frequency areas while preserving overall balance. The choice of a constant Q provides consistent correction across the entire fader range, convenient for fast and reproducible work, whether system tuning or monitor adjustment.

Two Correction Amplitudes and Bypass: From Diagnosis to Action

The switchable +/-6 dB or +/-12 dB range is a real advantage in use: in +/-6 dB mode, precision and subtlety are prioritized; in +/-12 dB mode, there is useful headroom for stronger corrections. The front panel bypass switch facilitates instant comparisons and secures operation in case of doubt by allowing immediate validation of the actual effect of the processing.

Low-End Management, Level Monitoring, and Robust Construction

The 50 Hz high-pass filter (12 dB/octave) helps clean up sub-bass and rumble, often responsible for pumping or a muffled sensation in the low end, especially in live conditions. The 4-segment LED output level indicator provides a quick reference to avoid overloads and maintain comfortable headroom. Finally, the use of 20 mm non-conductive faders and an integrated power supply with toroidal transformer aligns with a logic of reliability and stability, making this unit built to withstand rigging and long hours of service.

Technical Specifications

Equalization and Processing

  • Number of bands: 1 x 31 bands 1/3 octave constant Q
  • Effective range: +/-6 dB and +/-12 dB (switchable)
  • High-pass filter: 12 dB/octave at 50 Hz
  • Bypass: front panel switch
  • Faders: 20 mm non-conductive
  • Indicator: 4-segment LED output level meter

Connectivity

  • Connections: balanced XLR and 6.35 mm jacks
  • Inputs: 1 balanced input on XLR and 6.35 mm Jack
  • Outputs: 1 balanced output on XLR and 6.35 mm Jack

Audio Performance

  • Frequency response: 10 Hz to 50 kHz, +0.5/-3 dB
  • Distortion + noise: > 95 dB
  • Signal-to-noise ratio: < 0.003%
  • Dynamic range: > 112 dB
  • Crosstalk: <-90 dB, 20 Hz to 20 kHz

Power Supply and Format

  • Power supply: integrated with toroidal transformer
  • Size: 1U
  • Dimensions: 152.4 x 482.6 x 44 mm
  • Weight: 2.2 kg
Brand reference number: 131S
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