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Radio Design Labs RU-MLB4P
MIc/Line Bi-Directional Network Interface with 4 inputs

OUR PART #:  RU-MLB4P

Radio Design Labs' RU-MLB4 modules are Dante audio network interface products compatible with microphones and line-level audio equipment inputs and outputs.
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Our Price: $601.49
List Price: $894.04
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Radio Design Labs RU-MLB4P
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Radio Design Labs' RU-MLB4 modules are Dante audio network interface products compatible with microphones and line-level audio equipment inputs and outputs. These modules are designed to be mounted in equipment racks, closets, conference tables and on shelves or backboards in commercial/industrial installations. The RU-MLB4 is constructed in a durable, professional all-metal enclosure suitable for free-standing, surface-mounted or rack-mounted operation. This full-featured product is engineered and manufactured in the U.S.A for continuous duty in demanding installations. Built to last. Built to outperform.

Radio Design Labs RU-MLB4 Module Features:

  • Interfaces Four Dante Inputs and Four Dante Outputs
  • Converts Four Standard Mic or Line Audio Sources to Dante Network Channels
  • Each Input is Switch-Selectable for Mic or Line
  • No User or Installer Gain Adjustments are Required
  • Automatic Microphone Gain of 40 dB for Condenser Mics and 60 dB for Dynamic Mics
  • P48 Phantom is Provided on Each Microphone Input
  • Line-Level Inputs Accept Unbalanced -10 dBV or Balanced +4 dBu Signals with > 18 dB Headroom
  • Front-Panel Signal LED for Each Audio Input
  • Converts Four Dante Network Audio Signals to Balanced Line Level
  • Line-Level Outputs Provide +4 dBu with > 18 dB Headroom
  • Signal LEDs Indicate Audio for Each of the Received Network Signal Channels
  • High Resolution 24 Bit Analog to Digital and Digital to Analog Conversion
  • Legendary RDL Analog Filtering Enhances Superb Audio Performance
  • LED Indicators Show Network Sync Status
  • Normal or Hot-Standby Operation from PoE (Model RU-MLB4P)
  • Equipped for Rack Mounting or Surface Mounting

Radio Design Labs RU-MLB4 Module Specifications:

  • Network Connector: RJ45 with Link and Speed indicators
  • Digital Audio Ethernet Protocol: Dante
  • Transmission Rate: 100 Mbps
  • Sample Rates Supported: 44.1 kHz, 48 kHz (default)
  • Bit Depth Supported: 24 bits
  • Audio Operating Levels: -18 dBFS = +4 dBu
  • Mic Inputs: 
    • Inputs (4): Balanced, detachable terminal block
    • Gain: Automatic; 40 dB for condenser mics, 60 dB for dynamique mics
    • Input Level for +4 dBu: -56 dBu (dynamic), -36 dBu maximum; -36 dBu (condenser), -19 dBu maximum (unclipped), -14 dBu maximum (soft clipped)
    • Input Impedance: > 1 kO
    • Phantom Power: P48, 48 Vdc
    • Standard for Phantom: IEC 61938: 2013
    • Frequency Response: 20 Hz to 20 kHz (± 0.5 dB)
    • THD+N: < 0.1%
    • Noise below +4 dBu: < -70 dB
    • CMRR: > 70 dB (50 Hz to 120 Hz)
    • Crosstalk: < 70 dB (20 Hz to 20 kHz)
  • Line Inputs
    • Inputs (8): Balanced, detachable terminal block (4); Unbalanced, detachable terminal block (4)
    • Input Level for +4 dBu: +4 dBu (balanced); -10 dBV (unbalanced)
    • Input Impedance: > 20 kO
    • Frequency Response: 20 Hz to 20 kHz (± 0.5 dB)
    • THD+N: < 0.1%
    • Noise below +4 dBu: < -75 dB
    • CMRR: > 60 dB (50 Hz to 120 Hz)
    • Crosstalk: < 75 dB (1 kHz, any line to any mic channel), < 70 dB (20 Hz to 20 kHz)
    • Headroom above +4 dBu: > 18 dB
  • Network to Line Level Interface Section:
    • Outputs (4): Balanced, detachable terminal block
    • Output Level: +4 dBu (nominal)
    • Output Impedance: 150 O balanced; 75 O unbalanced
    • Frequency Response: 20 Hz to 20 kHz (± 0.5 dB)
    • THD+N: < 0.05%
    • Noise below +4 dBu: < -80 dB (output active); < -95 dB (outputs muted)
    • Crosstalk: < 85 dB (20 Hz to 20 kHz)
    • Headroom above +4 dBu: > 18 dB
    • Selectors (4): MIC or LINE (rear panel)
    • Indicators (13): Power In (1); Output Signal LEDs (4); Input Signal LEDs (4); Network Sys and Sync (2), Ethernet Link and Speed (2)
    • Power Connections (2): Power Jack; Detachable Terminal Block
    • Ambient Operating Environment: 0° C to 40° C
    • Power Requirement: 24 Vdc @ 180 mA plus connected phantom loads, or PoE (RU-MLB4P)
    • PoE (RU-MLB4P): Class 0, IEEE 802.3af
    • Dimensions: 5.8" (15 cm) W; 1.7" (4.3 cm) H; 5.2" (13.2 cm) D
    • Package Type: Cardboard Box
    • Package Dimensions: 6" x 6" x 2.625"
    • Shipping Weight: 1.805 lbs. (RU-MLB4); 1.805 lbs. (RU-MLB4P)
    • WEEE weight: 1.545 lbs. (RU-MLB4); 1.545 lbs. (RU-MLB4P)
    • Tariff code: 8517.18.0050

 

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