DBX DriveRack 220i Loudspeaker Management System

DBX DriveRack 220i

The DriveRack 220i from dbx is a two-channel, fully-featured signal processor for fixed audio installations, and provides both microphone (with phantom power) and line level input.


Dbx DriveRack 220i System Processor with AFS Advanced Feedback Suppression

For line input/output gain and processing, the unit needs to be programmed from a Windows based computer, utilizing the included software. RS-232 connectors are available on both the front- and rear-panels. The software provides control over all of the processing functions and includes twenty internal programs with up to ten being user configurable. Microphone gain can be physically adjusted from the rear-panel.

The signal processing functions include input gain and mixing, graphic or parametric equalization, compression, limiting, gating, automatic gain control (AGC), ducking, de-essing, advanced feedback suppression (AFS), notch filters, sub-harmonic synthesis, matrix mixing, band-pass filtering and delay. Front panel controls include program selection and load buttons, along with dual, six-segment input/output LED meters and clip LEDs.

External control is possible via optional ZC wall mounted controllers that fit into standard wall boxes and allow for remote program selection, output level control and muting. Up to six such controls can be used with the DriveRack 220i. All program memory is non-volatile, providing program security should power or the computer fail.

Dual channel signal processor with an Advanced Feedback Suppression (AFS) algorithm and comprehensive dynamics and EQ processing
Provides graphic and parametric EQ, band-pass filters and de-essing
Dynamics include compression and limiting, automatic gain control, ducking and noise gating
Up to 1.3 seconds of delay
Includes twenty factory set-ups with up to ten user configurable
Allows for remote hardware control via optional wall-mounted Zone Controllers
Security lockout
RS-232 PC GUI control with included Windows software


Frequency Response 20Hz to 20kHz, +/-0.5dB
Dynamic Range >110 dB A-weighted, >107dB unweighted
Inputs 2 x XLR
Outputs 2 x XLR
Input Impedance >50kΩ
Output Impedance Balanced: 120Ω
Unbalanced: 60Ω
Maximum Input Level +20dBu
Maximum Output Level +20dBu
Sample Rate 48kHz
Phantom Power +15V
Crosstalk >80dB
THD + N 0.003% typical @ +4dBu, 1kHz, 0dB gain
System Requirements For control software:
266MHz or faster processor
Windows 2000/XP/NT
Dimensions (WxDxH) 19 x 5.75 x 1.75" (483 x 146 x 45mm)
Weight 5.5 lbs (2.5 kg)
Specialties Microphone inputs adjustable from the rear panel

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