The DBX ZONEPRO 641M 6x4 Digital Zone Processor 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 641m 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 641m 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 641m features a power status LED, a network traffic LED, and an RS-232 control port.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.
All ZonePRO devices can be controlled by third party control systems via RS-232 or Ethernet as applicable (see table for further information). ZonePRO Designer—the configuration, control and monitoring software for the ZonePRO family of devices—offers control of the ZonePRO 641m via Ethernet or RS-232. The Configuration Wizard within ZonePRO Designer guides users through the step-by-step configuration process of the 641m.
Indicators: Network Traffic, Power
Input: 6 Total (4) Switchable Mic or Line, (2) Unbalanced, Mono-Summed RCA Input Pairs
Input Connectors: Euroblock (Line and Mic) RCA (Source)
Input Type: Electronically balanced/RF-filtered
Input Impedance: Euroblock: >50kΩ Balanced, >25kΩ Unbalanced, RF Filtered; RCA: >25kΩ Unbalanced, RF Filtered
Max Input: +20dBu Mic/Line, +12dBu RCA
CMRR: >40dB, typically >55dB @ 1 kHz
Mic Preamp gain: 30 to 60dB
Mic Preamp Equivalent Input Noise (EIN): < -118dBu, 22Hz-22kHz, 150Ω Source Impedance
Mic Preamp Phantom Power: +15VDC
Output: 4 total
Output Connectors: Euroblock
Output Type: Electronically Balanced, RF Filtered
Output Impedance: 120Ω Balanced, 60Ω Unbalanced
Max Output: +20dBu
A/D Converter: dbx Type IV™ conversion system
A/D Dynamic Range: (line) >113 dB, A-weighted, >110 dB unweighted
Type IV Dynamic Range: >119dB, A-weighted, 22kHz; BW: >117dB, unweighted, 22kHz BW
Digital Output Dynamic Range: >114 dB A-weighted, 110dB unweighted
Sample Rate: 48kHz
D/A Dynamic Range: 112 dB A-weighted, 109dB unweighted, 22kHz BW
Dynamic Range: >109 dB A-weighted, >106 dB unweighted, 22kHz BW
THD+Noise: 0.003% typical at +4dBu, 1kHz, 0dB gain
Frequency Response: 20Hz - 20kHz, +/-0.5dB
Interchannel Crosstalk: >80dB typical
Propagation Delay: 0.6 msec
Operating Voltage: 100VAC 50/60Hz, 120VAC 60Hz and 230VAC 50/60Hz
Power Consumption: 29 W
Unit Weight: 6.05 lbs / 2.74 kg
Shipping Weight: 8.2 lbs / 4 kg
Dimensions: 1.75” (1U) x 19” x 7.75” (45mm x 483mm x 197mm)
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