dbx ZonePRO 640 Digital Zone Processor
$549.00 USD
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dbx ZonePRO 640 Digital Zone Processor


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The ZonePRO 640 from dbx is a digital zone processor that features six-channels of input and four-outputs. The unit is suitable for installation in restaurants, fitness centers, retail stores, nightclubs and any other situation that requires multiple-zone control of audio sources with paging features. The ZonePRO 640 has limited front-panel control, but both it and the ZonePRO 641 (same features but with no front-panel control) require a computer for initial set-up.

The processor provides two balanced inputs on Euroblock terminals that are selectable as line or microphone level (with phantom power), along with four pairs of analog RCA line inputs, with each pair internally summed to mono. Outputs are available via Euroblock terminals and can be configured as either stereo or mono. Front panel control includes zone output volume, source select, and muting for each zone. Output level meters with six-segment LED meters and output dynamics threshold LEDs provide visual feedback of signal levels.

The included Windows based control software communicates with the unit via RS-232. Processor blocks can be switched in or out of a chain and include input gain, high-pass filtering, parametric EQ, compression, limiting, gating, AGC, ducking, de-essing, AFS (Advanced Feedback Suppression), notch filters, signal routing, band-pass filtering, delay and polarity. An AutoWarmth module provides gentle bass boost compensation as signal levels are lowered.

The ZonePRO 640 really shines when utilized with optional remote wall-mount controllers that can be positioned within the various zones. The wall-mounts are able to provide local volume control or scene selection, dependent on the type of controller installed. A built-in real-time clock can provide programmable system changes throughout the day or week. All program memory is non-volatile, ensuring program security in the event of power failure or computer malfunction.

Note: Stereo sources and stereo output can be configured using the control software, but input channels and number of zones available will be reduced correspondingly.

  • Six "channel" input, four-output zone processor with limited front panel control 1
  • Processing blocks available on both inputs and outputs
  • Up to four zones can receive independent audio sources, with paging priority 2
  • Local zone control is available utilizing the optional WC series of wall-mounted controllers
  • Microphone input can have AFS (Advanced Feedback Suppression) inserted with fixed or live filter response
  • "Autowarmth" module provides a bass-boost to low level signals
  • AGC (Automatic Gain Control) maintains even levels
  • Other dynamic DSP includes compression, limiting, noise gating and ducking
  • Includes band-pass and crossover filters, notch filtering and parametric EQ
  • Security lockout
  • Computer control via RS-232
  • An analog input bus allows inputs from one unit to be sent to a another unit for application scalability

SOURCE

    1. Each pair of RCA inputs is internally summed to mono. To maintain a stereo source, two sets of inputs need to be used
    2. Number of zones available will depend on whether mono or stereo output channels are required, with zone availability decreasing by two for every stereo channel

Dbx 640 Specs

Frequency Response 20Hz to 20kHz, +/-0.5dB
Dynamic Range >110dB A-weighted, >107dB unweighted
Inputs Balanced Microphone and Line on Euroblock
8 x RCA phono
Outputs Euroblock (4-outputs)
Input Impedance Euroblock: >50kΩ balanced, >25kΩ unbalanced, RF filtered
RCA: >25kΩ unbalanced, RF filtered
Output Impedance Balanced: 120Ω
Unbalanced: 60Ω
Maximum Input Level Mic/Line: +20dBu
RCA: +12dBu
Maximum Output Level +20dBu
Sample Rate 48kHz
Phantom Power +15V
Crosstalk (Main Outputs) >80dB
THD + N 0.003% typical at +4dBu @ 1kHz, 0dB gain
System Requirements For ZonePRO software:
1GHz or faster processor
Windows 2000/XP
256MB RAM (512MB recommended)
1024 x 768 or higher screen resolution
Dimensions (WxDxH) 19 x 5.75 x 1.75" (483 x 146 x 45mm)
Weight 6.8 lbs (3.1 kg)

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