dbx ZonePro 641 - 6-Input/4-Output Digital Zone Processor with 2 Mic/Line Inputs and 4 RCA Input Pairs in Black Finish

The dbx ZonePro 641 is a versatile 6-input/4-output digital zone processor, engineered to deliver superior signal routing, powerful DSP processing, and comprehensive control capabilities for commercial audio applications. This advanced device is designed to enhance audio performance and flexibility in various settings, making it an ideal solution for sophisticated audio systems.

With a total of six inputs and four outputs, the ZonePro 641 offers a range of connectivity options to accommodate different audio sources. It features two balanced mic/line inputs via Euroblock connectors, which provide high-quality audio connections and the flexibility to switch between mic and line levels. Additionally, the processor includes four unbalanced, mono-summed RCA input pairs, catering to consumer-grade audio equipment commonly used in commercial environments. The Euroblock inputs have an impedance of over 50k? for balanced signals and more than 25k? for unbalanced signals, ensuring reliable signal transmission. The RCA inputs are RF-filtered to minimize interference, with a maximum input line level of +20dBu for mic/line inputs and +12dBu for RCA inputs. Each microphone input is equipped with hardware-controlled gain adjustment (30 to 60dB) and +15VDC phantom power, making it suitable for a variety of microphone types. The device also boasts an exceptionally low mic input noise (E.I.N.) of less than -118dBu, providing clear and detailed audio.

The ZonePro 641 features a pre-configured architecture that simplifies setup and operation. It includes comprehensive input processing, a central matrix, and output processing to meet the needs of diverse audio environments. The processor offers two configurable input insert positions and one output insert position for tailored audio processing. The AutoWarmth function, co-developed with JBL, ensures that each output zone maintains natural low-frequency response, even at varying signal levels.

For enhanced flexibility, the ZonePro 641 includes a link bus feature, allowing duplication of audio channels to another ZonePro device. This capability is particularly useful for expanding audio systems or distributing audio across multiple zones. The front panel is equipped with LED indicators and an LCD display that provides real-time information about source selection, page steering, zone volume, and mute status. The display also features four independent six-segment lightpipe meters, which visually indicate output levels ranging from -30 to +20 dBu.

Control options for the ZonePro 641 are extensive. It supports serial and third-party control systems, enabling seamless integration with existing network and control infrastructure. Optional Zone Controllers offer intuitive, user-friendly interfaces for adjusting volume, selecting sources, and managing presets. The device also includes a built-in real-time clock that allows for programmable system changes, automating audio management throughout the day or week. For configuration and monitoring, the ZonePro Designer software provides an intuitive interface and a wizard-driven setup process, simplifying the configuration of system parameters.

In terms of performance, the ZonePro 641 uses dbx Type IV conversion technology, delivering high audio quality with a dynamic range of over 113dB A-weighted and 119dB A-weighted with Type IV dynamic range. The device features a frequency response of 20Hz to 20kHz with a minimal total harmonic distortion plus noise (THD+N) of 0.003% at +4dBu. The interchannel crosstalk and crosstalk from input to output are both greater than 80dB, ensuring clean and precise audio reproduction. The propagation delay is 0.6 milliseconds, maintaining accurate audio timing.

Housed in a 19-inch rackmountable chassis, the ZonePro 641 has dimensions of 19 x 7.75 x 1.75 inches and weighs 6.8 lbs, with a shipping weight of 8.8 lbs. It operates on a voltage range of 100-240 VAC and has a power consumption of 29 watts, with a BTU rating of less than 92.13 BTU.

Overall, the dbx ZonePro 641 provides advanced processing capabilities, versatile control options, and high-quality audio performance, making it a powerful tool for enhancing commercial audio systems.

Features

• 6-input/4-output digital zone processor with versatile connectivity options
• Two balanced mic/line inputs (Euroblock) and four unbalanced, mono-summed RCA input pairs
• Hardware-controlled microphone gain and +15V phantom power for mic inputs
• Pre-configured architecture with input, central matrix, and output processing
• Two configurable input and one output insert position for customized processing
• AutoWarmth technology for consistent low-frequency response across output zones
• Link bus feature for duplicating audio channels to additional ZonePro devices
• Front panel LCD display with LED indicators and four independent six-segment lightpipe meters
• Serial and third-party control support for integration with existing systems
• Optional Zone Controllers for easy control of volume, source, and presets
• Built-in real-time clock for programmable system changes
• ZonePro Designer software for intuitive configuration and monitoring
• dbx Type IV conversion technology for high-quality audio processing
• Dynamic range: >113dB A-weighted, >110dB unweighted
• Frequency response: 20Hz - 20kHz, +/- 0.5dB
• Minimal THD+N: 0.003% typical at +4dBu
• Dimensions: 19 x 7.75 x 1.75 inches; Weight: 6.8 lbs
• Power consumption: 29 watts; Shipping weight: 8.8 lbs

Specifications

Front Panel LED Indicators

• Power

Analog Inputs

• Number of Inputs: 6 Total (2) Switchable Mic or Line, (4) Unbalanced, Mono-Summed RCA Input Pairs
• Type: Euroblock (Mic/Line), RCA (Source)
• Impedance (Euroblock): >50kΩ Balanced, >25kΩ Unbalanced, RF Filtered
• Impedance (RCA): >25kΩ Unbalanced, RF Filtered
• Max. Input Line Level: +20dBu Mic/Line, +12dBu RCA
• CMRR: >40dB, typically >55dB @ 1kHz
• Mic Pre Gain: 30 to 60dB
• Mic Input Noise (E.I.N.): <-118dBu, 22Hz-22kHz, 150Ω Source Impedance
• Mic Phantom Power: +15VDC

Analog Outputs

• Number of Outputs: 4 Total
• Type: Electronically Balanced, RF Filtered Euroblock
• Impedance: 120Ω Balanced, 60Ω Unbalanced
• Max. Output Level: +20dBu

A/D Performance

• Type: dbx Type IV Conversion System
• Dynamic Range Line: >113dB A-weighted, >110dB unweighted
• Type IV Dynamic Range: >119dB A-weighted, 22kHz BW: >117dB, unweighted, 22kHz BW
• Sample Rate: 48kHz

D/A Performance

• Dynamic Range: 112dB A-weighted, 109dB unweighted, 22kHz BW

System Performance

• Dynamic Range: >109dB A-weighted, >106dB unweighted, 22kHz BW
• THD+N: 0.003% typical at +4dBu, 1kHz, 0dB gain
• Frequency Response: 20Hz - 20kHz, +/- 0.5dB
• Interchannel Crosstalk: >80dB typical
• Crosstalk input to output: >80dB
• Propagation Delay: 0.6 msec
• Operating voltage: 100 VAC, 50/60Hz, 120 VAC, 60Hz, 230VAC 50/60Hz
• Power Requirements: 29 Watts
• BTU Rating: <92.13 BTU

Physical Dimensions

• Dimensions: 19 x 7.75 x 1.75 inches
• Weight: 6.8 lbs
• Shipping Weight: 8.8 lbs