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Radio Design Labs RU-LB4
Line-Level, Bi-Directional Network Interface, 4 Balanced Out

OUR PART #  RU-LB4

Our Price: $491.36
List Price: $704.25
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The Radio Design Labs RU-LB4 modules are Dante audio network interface products compatible with 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-LB4 converts four 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 four 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.

The RU-LB4 converts four line-level audio sources to Dante networked digital audio channels. Each input is equipped with a front-panel gain trimmer and associated Dual-LED VU meter to facilitate optimal input gain adjustment. Each input supports the complete range of normal unbalanced -10 dBV and balanced +4 dBu line-level sources. Input gain adjusted according to the Dual-LED VU meter assures an operating level that preserves full headroom with the lowest noise floor.

The RU-LB4 is powered from an external 24 Vdc power supply, available separately. The RU-LB4P is equipped to operate from a PoE enabled network switch. The RU-LB4P will reserve power from the switch even while being powered from an external 24 Vdc supply. If PoE power and an external 24 Vdc supply are both feeding an RU-LB4P, the unit will run from the external supply and will seamlessly switch over to PoE power upon loss of the external supply.

Radio Design Labs RU-LB4 Features:

  • Converts Standard Line-Level Audio Sources to Dante Network Channels
  • Line-Level Inputs Accept Unbalanced -10 dBV or Balanced + 4 dBu Signals with > 18 dB Headroom
  • Front-Panel Gain Adjustment with Dual-LED VU Meterfor 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
  • Interfaces Four Dante Inputs and Four Dante Outputs
  • High Resolution 24 Bit Analog to Digital and Digitalto Analog Conversion
  • Legendary RDL Analog Filtering Enhances Superb Audio Performance
  • LED Indicators Show Network Sync Status
  • Normal or Hot-Standby Operation from PoE (ModelRU-LB4P)
  • Equipped for Rack Mounting or Surface Mounting

Radio Design Labs RU-LB4 Specifications:

  • Dimensions (W x H x D): 5.8 x 1.7 x 5.2" (15 x 4.3 x13.2 cm)
  • Package Dimensions: 6 x 6 x 2.625 in.
  • Shipping Weight: 1.73 lbs

Radio Design Labs RU-LB4
Line-Level, Bi-Directional Network Interface, 4 Balanced Out

OUR PART #  RU-LB4

Product Information:

The Radio Design Labs RU-LB4 modules are Dante audio network interface products compatible with 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-LB4 converts four 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 four 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.

The RU-LB4 converts four line-level audio sources to Dante networked digital audio channels. Each input is equipped with a front-panel gain trimmer and associated Dual-LED VU meter to facilitate optimal input gain adjustment. Each input supports the complete range of normal unbalanced -10 dBV and balanced +4 dBu line-level sources. Input gain adjusted according to the Dual-LED VU meter assures an operating level that preserves full headroom with the lowest noise floor.

The RU-LB4 is powered from an external 24 Vdc power supply, available separately. The RU-LB4P is equipped to operate from a PoE enabled network switch. The RU-LB4P will reserve power from the switch even while being powered from an external 24 Vdc supply. If PoE power and an external 24 Vdc supply are both feeding an RU-LB4P, the unit will run from the external supply and will seamlessly switch over to PoE power upon loss of the external supply.

Radio Design Labs RU-LB4 Features:

  • Converts Standard Line-Level Audio Sources to Dante Network Channels
  • Line-Level Inputs Accept Unbalanced -10 dBV or Balanced + 4 dBu Signals with > 18 dB Headroom
  • Front-Panel Gain Adjustment with Dual-LED VU Meterfor 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
  • Interfaces Four Dante Inputs and Four Dante Outputs
  • High Resolution 24 Bit Analog to Digital and Digitalto Analog Conversion
  • Legendary RDL Analog Filtering Enhances Superb Audio Performance
  • LED Indicators Show Network Sync Status
  • Normal or Hot-Standby Operation from PoE (ModelRU-LB4P)
  • Equipped for Rack Mounting or Surface Mounting

Radio Design Labs RU-LB4 Specifications:

  • Dimensions (W x H x D): 5.8 x 1.7 x 5.2" (15 x 4.3 x13.2 cm)
  • Package Dimensions: 6 x 6 x 2.625 in.
  • Shipping Weight: 1.73 lbs
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