DBX 231
 DBX 231 - Call for pricing - Dual 31 band EQ
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With a lineage extending back to the revered 12 and 20 Series graphic equalizers, the dbx® 231 easily lives up to the dbx reputation at a price point which can find a home in the tightest of budgets. Besides including two 31-band channels of 1/3-octave equalization, the 231 also offers ±6 or ±12 dB boost/cut range; XLR, 20mm faders and ¼" inputs; nonconductive nylon sliders; and an intuitive user interface with comprehensive output and gain reduction metering. As always, the inevitable result of their meticulous attention to detail and top-quality componentry is exceptional sound, performance, and reliability.
The 2-Series represents a major step forward in the performance of entry-level graphic equalizers. From its amazing 10 Hz to 50 kHz frequency response, to its 108dB dynamic range, internal torodial 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 affordable quality there’s no longer any excuse for compromising your sound.
Features
- Two 31-band, 1/3-octave Constant Q frequency bands
- Switchable boost/cut ranges of ±6 or ±12dB
- 12dB per octave 40Hz 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
- Frequency Response of <10Hz to >50kHz
- Dynamic range of greater than 108dB
| Specifications |
| Inputs |
| Connectors | ¼" TRS, Female XLR (pin 2 hot) |
| Type | Electronically balanced/unbalanced, RF filtered |
| Impedance (bal./unbal.) | 40 kΩ / 20 kΩ |
| Max. Input Level | >+21dBu balanced or unbalanced |
| CMRR | >40 dB, typically >55 dB at 1 kHz |
| Outputs |
| Connector | ¼" TRS, Male XLR (pin 2 hot) |
| Type | Impedance-balanced/unbalanced, RF filtered |
| Impedance (bal./unbal.) | 100 Ω / 50 Ω |
| Max. Output Level | >+21dBu balanced/unbalanced into 2kΩ or greater
>+18dBm balanced/unbalanced (into 600Ω) |
| System Performance |
| Bandwidth (+0.5/-1dB) | 20 Hz–20 kHz |
| Frequency Response (+0.5/-3dB) | <10 Hz >50 kHz |
| Dynamic Range | 108 dB |
| Signal-to-Noise Ratio | 90 dB |
| THD+Noise | <0.004% |
| Interchannel Crosstalk (20–20k Hz) | <-80 dB |
| Function Switches |
| EQ Bypass | Bypasses the graphic equalizer section in the signal path |
| Low Cut | Activates the 50 Hz 12dB/octave high-pass filter |
| Range | Selects either ±6 dB or ±12 dB slider boost/cut range |
| Miscellaneous |
| Power Requirements | 100-230V 50/60 Hz, 15 Watts |
| Weight | 2.7 kg (6 lbs) |
| Dimensions (HxWxD) | 8.89 x 48.3 x 15.2 cm (3.5" x 19.0" x 6.0") |
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DBX 231 Cut Sheet (pdf)