Alesis DEQ830 8-channel 30-Band Digital Graphics Equalizer

Features:

    Offers the best of digital technology and analog-style control: a graphic display with instant editing of any band or combination of bands, plus the ability to store programs
    100 user-definable programs, each of which holds 8 channels of EQ settings
    100 user-definable curves, each of which holds 30 bands of EQ settings
    48 KHz sampling rate, 24-bit A/D/A, 28-bit internal processing
    Eight channels of equalization, independent or linkable
    30 EQ bands per channel, spanning 25 Hz-20 KHz in 1/3-octave increments
    +/- 12 dB boost/cut with center detente
    Constant Q technology for finer control of audio
    LOCK function for set and forgetZ situations, which prevents accidental reprogramming
    Retrieve Curve mode for auditioning and selecting stored EQ curves
    Individual Channel Level adjustment per program
    Master Level adjustment
    LINK button for quick creation of matched EQ curves
    Ability to bypass any or all channels
    Configurable editing modes to suit the way you work
    Ability to copy settings from one channel to another
    Easy-to-read 7-segment Numerical LED Display
    More than 350 Band Gain LEDs, making it easy to read EQ curves from a distance
    Signal Level, Clip and Bypass LEDs for each channel
    Balanced input/output (TRS)
    Compact 1-space rackmount profile
    Real-time Analyzer (RTA) mode for visual feedback of incoming and outgoing audio signals, with selectable metering modes
    ADAT Optical input/output, auto-sensing of incoming digital audio
    Clock selectable between 44.1k and 48k sampling rates
    MIDI in/out for program changes and sys-ex storage
    +4 dBu/-10 dBV operating level switch on rear panel


Specifications:

    Rear Panel I/O (switchable)

    Analog
    Input Connectors: 8 balanced 1/4 inch TRS jacks
    Output Connectors: 8 balanced 1/4 inch TRS jacks

    Digital
    Input Connector: 1 ADAT Optical
    Output Connector: 1 ADAT Optical

    Switch set to +4
    Nominal input level: +4dBu (-15dBFS)
    Maximum input level: +19dBu (6.9 Vrms)
    Nominal Output Level: +4dBu (-15dBFS)
    Maximum Output Level: +19dBu (6.9 Vrms)

    Switch set to -10
    Nominal input level: -10dBV (-16dBFS)
    Maximum input level: +6dBV (2.0 Vrms)
    Nominal Output Level: -10dBV (-16dBFS)
    Maximum Output Level: +6dBV (2.0 Vrms)

    Impedance
    Input impedance: 10kOhms
    Output Impedance: 220Ohms

    MIDI
    MIDI Input: 1 5-pin female DIN
    MIDI Output: 1 5-pin female DIN

    Audio Performance
    Signal To Noise Ratio: >100dB A-Weighted, Analog In to Analog Out
    THD+N: <0.005%, Analog In to Analog Out
    Frequency Response: 22-22kHz ± 0.50dB, Analog In to Analog Out
    Power Consumption: 15 Watts Max (100-240 VAC / 50-60 Hz)

    Mechanical
    Size: 1.75 inches H x 19.0 inches W x 5 inches D
    Rack Spaces: 1 Space
    Weight: 3.0 lbs. (1.4 kg)