SC 64 (discontinued)

64 I/O Digital Matrix Processor

SC 64
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Based on the principles of the dbx Zone Processing products, the SC 64 Digital Matrix Processor is the new flagship product for Digital Matrix Processing. Wizard driven configuration using HiQnet System Architect™ makes unprecedented DSP power, incredible routing flexibility and a rich palette of processing tools accessible with the minimum of training. The SC 64 represents the professional choice of foundation on which to build even the most demanding integrated system.

The SC 64 has a total analog I/O count of 64, configurable in banks of eight. The chassis supports up to eight analog input and/or analog output cards facilitating nine different fully loaded configurations. Analog input cards accommodate a wide range of sources with mic/line switching and phantom power per input. Two High Speed Option slots provide facility for adding forthcoming high bandwidth audio transport I/O cards. All of these features are housed in a sleek 2U rack chassis.

With dedicated DSP for common processing functions and insert positions for specialized processing, the SC 64 offers many processing functions including Advanced Feedback Suppression (AFS), Ambient Noise Compensation (ANC), priority ducking, parametric equalization (PEQ), delay and dynamics. The SC 64 has a diverse range of control options including HiQnet System Architect™ custom control panels, Ethernet, serial, contact closure, the popular ZC wall controllers and even automatically scheduled events. With so many methods of control, an SC system can truly be tailored to suit the needs and technical expertise of even the scrutinizing contractor.

Recommended for: Installed.


  • 64 channels of analog I/O configurable in banks of 8
  • 8 Mic/Line and Phantom Power per channel on Analog Input Cards
  • Ethernet / Serial Control
  • High Speed Option Slots
  • Control Inputs and Logic Outputs
  • Pre-configured Architecture
  • Selectable DSP inserts on inputs and outputs including Advanced Feedback Suppression (AFS™), Automatic Gain Compensation (AGC), Compression, De-Essing and Notch Parametric Equalization
  • Complete routing flexibility
  • Comprehensive configuration, control and monitoring from HiQnet System Architect™
  • Wizard Configuration
  • Events Scheduler
  • Optional Media Engine for media playback
  • Optional ZC wall panel control


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Training Resources
file type icon SC Navigation Essentials
updated: Oct 2020
    18.5 MB Oct 2020

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Indicators Per Input: Signal Present, Clip, 48V Phantom Power, SYNC, I/O card type (IN, OUT, D-IN, D-OUT)
Other Indicators LCD Display, Page Button, Select Button and LED indicators for: Global CLIP, Link/Active, RS-232 and Power
Audio Card Slots 8 Card Slots (A, B, C, D, E, F, G, H)
High Speed Option Slot 2 Card Slots
Input (8) per Input Card
Input Connectors Phoenix/Combicon, 3.5mm pitch
Input Gain Range Nominal Gain 0 dB, electronically switchable up to +48 dB, in 6 dB steps
Input Type Electronically balanced, RF filtered
Input Impedance 3.5 k ohm
Max Input +22dBu
CMRR >40 dB typical, >55 dB at 1 kHz
Mic Preamp Phantom Power +48 VDC, selectable per input
Output (8) per Output Card
Output Connectors Phoenix/Combicon, 3.5mm pitch
Output Type Electronically balanced, RF filtered
Output Impedance 44 Ω
Max Output +20 dBu
Dynamic Range 107 dB unweighted, 110 dB A-weighted
Internal Processing 32 bit floating point
THD+Noise 0.0045% typical at 0 dBu, 1 kHz, 0 dB input gain
Frequency Response 20 Hz- 20 kHz, +/-0.50 dB
Sample Rate 48kHz
GPIO Ports 8 Control Inputs and 6 Logic Outputs (Phoenix/Combicon, 3.5mm pitch)
Control Input Voltage 0 to 4.5v
Control Input Impedance 4.7 k ohm to +5V (2-wire mode)
Logic Output Voltage 0 or +5V unloaded
Logic Output Impedance 440 ohm
Logic Output Current 10mA source, 60mA sink
Relay Contact Connector Phoenix/Combicon, 3.5mm pitch
Relay Contacts Common (C), Normally Open (NO), Normally Closed (NC)
Relay Contact Rated Load 0.3A at 125VAC, 1A at 30VDC
Watchdog Output Phoenix/Combicon, 3.5mm pitch for failsafe control Opto-isolated
Watchdog Output Current 14mA maximum
Watchdog WIthstanding Voltage 80V maximum (Off)
Watchdog Series Impedance 220Ω (isolated)
Input Delay Length per channel: Up to 5120ms of input delay
Input EQ per channel: 4 Band Parametric
Input Gate per channel: Downward Expander
Input Signal Processing Two selectable Input Processing blocks per input
Insert Types Advanced Feedback Suppression, Automatic Gain Control, Compressor, De-Esser, 12-Band Notch EQ, 12-Band Parametric EQ, Sub-Harmonic Synthesizer
Ducker 24 level priority ducker
Routing/Mixing 32x1 mixer on every output zone
Output Insert Processing One selectable Output Processing block per output: Gain, Automatic Gain Control, Ambient Noise Compensation, Auto-Warmth™
Crossover configs: 1x1, 1x2, 1x3, 1x4
Crossover Filter Type Bessel 6, 12, 18 and 24 dB/Octave, Butterworth 6, 12, 18 and 24 dB/Octave, Linkwitz-Riley 12 and 24 dB/Octave
Output EQ 6 Band Parametric per channel
Limiter Type dbx PeakStopPlus™
Output Delay Length Up to 5120ms of output delay
Controls Ethernet, RS-232, Optional dbx ZC Wall Panels
Power Consumption 100V to 240VAC 50/60Hz, 120 Watts
Dimensions 3.5" (2U) x 19" x 15" (89mm x 483mm x 381mm)
Unit Weight 18.9 lbs. / 8.57 kgs. (with all audio cards installed)

Training Modules



SC 64 (discontinued)

64 I/O Digital Matrix Processor