DBX640m

6x4 Digital Zone Processor




The 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.

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 640m via Ethernet or RS-232. The Configuration Wizard within ZonePRO Designer guides users through the step-by-step configuration process of the 640m.

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

Specifications

Indicators

4 Independent Six-Segment Lightpipe Output Meters that range from -30 to +20 dBu, Threshold Meters

LCD Display

LCD Display provides information about Source Selection, Page Steering, Zone Volume and Mute

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

BTU

<92.13

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)

Safety Agency Certifications

UL 600065, IEC 60065, EN 55013, E60065 

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