• RDL RU-MLB2 Mic/Line Bi-Directional Network Interface
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RDL RU-MLB2 Mic/Line Bi-Directional Network Interface

RDL RU-MLB2 Mic/Line Bi-Directional Network Interface

SoundPro Item: 74076 | Part Number: RU-MLB2

$733.45
$977.93 $733.45
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MSRP: $977.93 | MAP: $733.45

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  • Interfaces Two Dante Inputs and Two Dante Outputs
  • Converts Two 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 Two 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-MLB2P)
  • Equipped for Rack Mounting or Surface Mounting
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The RU-MLB2 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.

APPLICATION: The RU-MLB2 is a high quality converter that provides professional line-level outputs from two Dante network received audio channels. It also converts two professional or consumer line-level sources, or dynamic or condenser microphones to Dante network audio channels.

Network to Line Level Interface Section

The RU-MLB2 converts two Dante audio channels to balanced line level. Each output provides +4 dBu balanced for a network digital audio level of -18 dBFS. The professional output directly interfaces with other professional and commercial equipment without the need for additional gain. Crosstalk is below the noise floor between all outputs across the entire audio spectrum. The noise floor is better than 80 dB below operating level.

One front-panel green signal LED corresponds to each of the two Dante input channels. Received audio level is indicated on the variable-intensity LED indicator, facilitating setup when a networked computer is not connected at the module’s location

View full details
  • Network ConnectorRJ45 with Link and Speed indicators
  • Digital Audio Ethernet ProtocolDante
  • Transmission Rate100 Mbps
  • Sample Rates Supported44.1 kHz, 48 kHz (default)
  • Bit Depth Supported24 bits
  • Audio Operating Levels-18 dBFS = +4 dBu
  • Mic/Line Inputs to Network Interface Section
    • Mic Inputs
      • Inputs (2):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 kΩ
      • 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 to 120 Hz)
      • Crosstalk:< 70 dB (20 to 20 kHz)
    • Line Inputs
      • Inputs (4):Balanced, detachable terminal block (2); Unbalanced, detachable terminal block (2)
      • Input Level for +4 dBu:+4 dBu (balanced); -10 dBV (unbalanced)
      • Input Impedance:> 20 kΩ
      • 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 to 20 kHz)
      • Headroom above +4 dBu:> 18 dB
  • Network to Line Level Interface Section
    • Outputs (2):Balanced, detachable terminal block
    • Output Level:+4 dBu (nominal)
    • Output Impedance:150 Ω balanced; 75 Ω 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 (2):MIC or LINE (rear panel)
    • Indicators (9):Power In (1); Output Signal LEDs (2); Input Signal LEDs (2); 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 @ 175 mA plus connected phantom loads, or PoE (RU-MLB2P)
    • PoE (RU-MLB2P):Class 0, IEEE 802.3af
    • Dimensions:5.8" (15 cm) W; 1.7" (4.3 cm) H; 5.2" (13.2 cm) D
    • Package Dimensions:6 x 6 x 2.625 in.
    • Shipping Weight:1.799 lbs. (RU-MLB2); 1.799 lbs. (RU-MLB2P)
    • WEEE weight:1.539 lbs. (RU-MLB2); 1.539 lbs. (RU-MLB2P)

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