DBX 131 31-Band Graphic Equalizer
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Description
Product Description
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 straightforward controls. The 131 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.
Product Features
- Single 31-band, 1/3-octave Constant Q frequency bands
- Switchable boost/cut ranges of ±6 or ±12dB
- 12dB per octave, 3dB down @ 50Hz low-cut filter
- Front panel bypass switch
- ±12 dB input gain range
- 4-segment LED ladders for monitoring output levels
- XLR and TRS Inputs and Outputs
- Internal Toroidal Transformer
Specifications
Product Specification
| INPUT | ||
| Connectors | 1/4" TRS, female XLR (pin 2 hot) | |
| 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) | |
| Type | Impedance-balanced/unbalanced, RF filtered | |
| Impedance | Balanced 100 ohm, unbalanced 50 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 | |
| Dynamic Range | 108dB | |
| Signal-to-Noise | 90dB | |
| THD + Noise | <0.004% | |
| Interchannel Crosstalk | <-80dB, 20Hz to 20kHz | |
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