DBX ZonePRO 640M 6x4 Digital Zone Processor, 20Hz to 20kHz Frequency Response

SKU: DBX640M MFR: 640M
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List Price: $1,374.94

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About DBX

The dbx ZonePRO 640m offers fixed I/O, pre-configured architecture, configurable insert processing and optional duplication of audio channels to another ZonePRO device via a link bus. The 640m features a total of six inputs and four outputs. Inputs include four balanced mic/line switchable terminal block inputs and two mono-summed pairs of unbalanced RCA inputs. Hardware-controlled microphone gain allows adjustment of microphone gain per channel.

The 640m device has a pre-configured architecture with input processing, a central matrix and output processing. Two input insert positions and one output insert position allow channel-specific insert processing to be configured. AutoWarmth, a psychoacoustic function that maintains full frequency bandwidth even when the signal level has dropped, is permanently available on each output zone.

A link bus allows duplication of the first six audio channels to another ZonePRO device in applications where additional output zones are required. The front panel of the 640m features comprehensive signal metering, an informative LCD display and user-specified front panel control. Additional system control is offered in the form of optional Zone Controllers. This collection of hardware wall-controllers represents a series of simple, elegant user interfaces for functions such as volume, source and preset control.
br> dbx ZonePRO 640m devices can be controlled by third party control systems via RS-232 or Ethernet as applicable. ZonePRO Designer-the configuration, control and monitoring software for the ZonePRO family of devices-offers control of the ZonePRO 640m via Ethernet or RS-232. The Configuration Wizard within ZonePRO Designer guides users through the step-by-step configuration process of the 640m.

DBX Features

  • 6 Inputs / 4 Outputs
  • 4 Balanced Mic/Line Inputs
  • 2 Unbalanced, Mono-Summed RCA Input Pairs
  • Microphone Gain per Channel
  • Pre-Configured Architecture
  • Two Configurable Input Insert Positions
  • One Configurable Output Insert Position
  • AutoWarmth per Output Zone
  • Link Bus
  • Comprehensive Signal Metering
  • Front Panel LCD
  • User-Specified Front Panel Control
  • Optional ZC Controllers
  • Ethernet Control
  • Serial Control
  • Third Party Control
  • Wizard-Driven Configuration

DBX Specifications

Front Panel LED Indicators Output
4 Independent Six-Segment Lightpipe Output Meters that range from -30 to +20 dBu, Threshold Meters
Front Panel LED Indicators
LCD Display provides information about Source Selection, Page Steering, Zone Volume and Mute
Analog Inputs
6 Total (4) Switchable Mic or Line, (2) Unbalanced, Mono-Summed RCA Input Pairs
Analog Inputs: Type
Euroblock (Mic/Line), RCA (Source)
Analog Inputs: Impedance (Euroblock)
>50kOhm Balanced, >25kOhm Unbalanced, RF Filtered
Analog Inputs: Impedance (RCA)
>25kOhm Unbalanced, RF Filtered
Analog Inputs: Max. Input Line Level
+20dBu Mic/Line, +12dBu RCA
Analog Inputs: CMRR
> 40dB, typically >55db @ 1kHz
Analog Inputs: Mic Pre Gain
30 to 60dB
Analog Inputs: Mic Input Noise (E.I.N.)
< -118dBu, 22Hz-22kHz, 150Ohm Source Impedance
Analog Inputs: Mic Phantom Power
Analog Outputs: Number of Outputs
4 Total
Analog Outputs: Type
Electronically Balanced, RF Filtered Euroblock
Analog Outputs: Impedance
120 Ohm Balanced, 60Ohm Unbalanced
Analog Outputs: Max. Output Level
A/D Performance: Type
dbx Type IV Conversion System
A/D Performance: Dynamic Range line
>113dB, A-weighted, >110dB unweighted
A/D Performance: Type IV dynamic range
>119dB, A-weighted, 22kHz
BW: >117dB, unweighted, 22kHz BW
A/D Performance: Sample Rate
D/A Performance: Dynamic Range
>109dB A-weighted, >106dB unweighted, 22kHz BW
System Performance: Dynamic Range
>109dB A-weighted, >106dB unweighted, 22kHz BW
System Performance: THD+N
0.003% typical at +4dBu, 1kHz, 0dB gain
System Performance: Frequency Response
20Hz - 20kHz, +/- 0.5dB
System Performance: Crosstalk
>80dB typical
System Performance: Crosstalk i/p to o/p
System Performance: Propagation Delay
0.6 msec
Operating Voltage
100 VAC, 50/60Hz, 120 VAC, 60Hz, 230VAC 50/60Hz
Power Consumption
29 Watts
Safety Agency Certifications
UL 60065, IEC 60065, E 60065, EN 55013
1.75 (1U) x 19 x 7.75" (45 x 483 x 197mm)
6.05 lbs / 2.74 kg
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