The EQ-231 from Marathon is a dual-channel, 31-band 1/3 octave graphic equalizer. The sliders are center detent with a boost/cut range of +/-12dB, and the unit provides balanced and unbalanced input and output connections, fixed high pass filters, variable output level controls, clip level indicators, along with an internal universal power supply.
The unit has EQ bypass switches for each channel with LED status indicators, and is housed in a rugged, all-steel 2U rack space chassis. The EQ-231 is intended for installation in standard 19" equipment racks and may be used in a variety of applications such as live sound, recording studios, instrument racks, as well as any conventional fixed installation environment.
Features
- Dual channel, 31-band, 1/3 octave graphic equalizer
- Center detent sliders
- Boost/cut range of 12dB
- Variable output level control
- Fixed high-pass filters
- Per channel EQ bypass switch
- Clip level indicators
- Balanced and unbalanced input and output connections
Specifications
- Filter Type: Graphic
- Number of Channels: 2
- Inputs
- 2 x XLR
- 2 x 1/4" TRS phone
- Outputs
- 2 x XLR
- 2 x 1/4" TRS phone
- Maximum Input Level: Not specified by manufacturer
- Frequency Bands: 2 x 31, ISO spacing
- Bandwidth: 1/3 octave
- Range (Boost/Cut): +/-12dB
- Maximum Output Level: +21dB
- Frequency Response: Not specified by manufacturer
- Dynamic Range: Not specified by manufacturer
- Noise: SNR: >95dB
- Power Requirements: 100~120/210~230VAC, 60Hz/50Hz
- Dimensions (WxDxH): 19 x 5.9 x 3.5" (483 x 150 x 89mm)
- Weight: 7 lbs (3.2kg)
- Specialties: High-pass filter and EQ bypass per channel