dbx 131s Single-Channel 31-Band Graphic Equalizer
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Description
The dbx 131s is a single-channel, 31-band graphic equalizer with 1/3-octave constant-Q bands in a single rack space. It suits live sound, installed systems and studios.
The 20 mm non-conductive sliders work over a switchable ±6 dB or ±12 dB range, and the input gain covers ±12 dB. A low-cut filter rolls off 12 dB per octave, 3 dB down at 50 Hz. A front-panel bypass switch and 4-segment LED output meters complete the controls, and inputs and outputs are XLR and 1/4 in. TRS.
Features
- One channel of 31-band, 1/3-octave constant-Q equalization
- Switchable ±6 dB or ±12 dB boost/cut range
- 20 mm non-conductive sliders
- ±12 dB input gain range
- 12 dB per octave low-cut filter, 3 dB down at 50 Hz
- Front-panel bypass switch
- 4-segment LED ladder for monitoring output level
- XLR and 1/4 in. TRS inputs and outputs
Specifications
- Channels: 1
- Bands: 31, 1/3-octave, constant Q
- Input Connectors: 1/4 in. TRS and female XLR, pin 2 hot
- Input Type: Electronically balanced/unbalanced, RF filtered
- Input Impedance: 40k ohms balanced, 20k ohms unbalanced
- Maximum Input Level: More than +21 dBu, balanced or unbalanced
- CMRR: More than 40 dB, typically more than 55 dB at 1 kHz
- Output Connectors: 1/4 in. TRS and male XLR, pin 2 hot
- Output Type: Impedance-balanced/unbalanced, RF filtered
- Output Impedance: 100 ohms balanced, 50 ohms unbalanced
- Maximum Output Level: More than +21 dBu into 2k ohms or greater; more than +18 dBm into 600 ohms
- Bandwidth: 20 Hz to 20 kHz, +0.5/-1 dB
- Frequency Response: Under 10 Hz to over 50 kHz, +0.5/-3 dB
- Dynamic Range: 110 dB
- Signal-to-Noise Ratio: Typically more than 95 dB
- THD+Noise: Less than 0.003%
- Boost/Cut Range: ±6 dB or ±12 dB, switchable
- Input Gain Range: ±12 dB
- Low-Cut Filter: 50 Hz, 12 dB/octave high-pass
- Operating Voltage: 100 to 240 VAC, 50/60 Hz
- Power Consumption: 15 W
- Power Connector: IEC receptacle
- Dimensions (H x W x D): 1.75 x 19 x 6 in. (4.4 x 48.26 x 15.24 cm)
- Weight: 4.8 lb (2.2 kg)
In the Box
- dbx 131s graphic equalizer
- AC power cord
- Operation manual
- Registration card
- Four rack mount screws and washers