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Sonifex RB-UL2 1U Dual Stereo Unbalanced to Balanced Converter, <50Ohms Output Impedance, 20Hz-20kHz, 4x RCA Phono Inputs, 4x XLR 3 Pin Male Outputs

SKU: SORBUL2 MFR: RB-UL2
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Key Features

  • Achieve pristine audio quality with this unbalanced to balanced converter for studio use.
  • Easily integrate consumer audio into pro setups with low latency and stable driver performance.
  • Enjoy superior build quality with the robust 1U rackmount design of this Sonifex converter.
  • Optimize your signal flow using the RB-UL2's multiple RCA phono inputs and XLR male outputs.
  • Fine-tune your audio levels with a wide gain range, from -15dBu to +15dBu for balanced output.
  • Get clean, clear sound with <0.01% THD, ensuring your recordings are free of unwanted distortion.
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Sonifex RB-UL2 Specifications

  • Maximum Input Level

    +28dBu

  • Input Impedance

    >10kOhms

  • Maximum Output Level

    +28dBu

  • Output Impedance

    <50Ohms

  • Distortion

    0.01% THD at 1kHz, ref +8dBu output

  • Noise

    -100dB, unity gain, ref +8dBu output

  • Frequency Response

    20Hz to 20kHz +/-0.1dB (600Ohms load, ref 1kHz)

  • Gain Range

    Balanced output: -15dBu to +15dBu, ref -15dBu into unbalanced RCA input

  • Inputs

    4x RCA phono (Unbalanced)

  • Outputs

    4x XLR 3 pin male (Balanced)

  • Mains Input

    Filtered IEC, switchable 110-120V, or 220-240V, fused, 6W max

  • Fuse Rating

    Anti-surge fuse 100mA 0.79 x 0.2" / 20 x 5mm(230VAC)
    Anti-surge fuse 250mA 0.79 x 0.2" / 20 x 5mm (115VAC)

  • Rack Height

    1U

  • Dimensions (W x D x H)

    11 x 4.3 x 1.7" / 27.94 x 10.92 x 4.32cm

  • Weight

    2.3lbs / 1.04kg

About Sonifex RB-UL2

Experience the Sonifex RB-UL2, a robust 1U rack-mountable dual stereo unbalanced to balanced converter designed to seamlessly integrate domestic or semi-professional audio equipment into a professional balanced audio environment. This high-quality device ensures reliable and professional-grade signal conversion, making it an indispensable tool for audio professionals and enthusiasts alike.

Crafted with durability in mind, the Sonifex RB-UL2 features a sturdy construction that can withstand the rigors of both studio and live event use. Its versatile design includes four RCA phono inputs with a 10kOhms impedance, allowing for the connection of a variety of unbalanced audio sources. These inputs are expertly routed to four XLR 3 pin male outputs, each boasting an output impedance of less than 50Ohms, which is ideal for driving long cable runs without compromising signal integrity.

The RB-UL2 stands out for its precise audio fidelity, offering a flat frequency response across the entire audible spectrum from 20Hz to 20kHz. This ensures that the full range of audio frequencies is accurately represented, from the deepest bass to the highest treble, catering to a wide array of audio applications.

For added control and customization, the Sonifex RB-UL2 provides individual output gain adjustment for the left and right channels. These adjustments can be made via pre-set potentiometers located on the rear panel, allowing for fine-tuning of the signal level to match both balanced and unbalanced equipment perfectly.

Whether you're setting up for a live performance, recording session, or broadcast environment, the Sonifex RB-UL2 is a versatile and reliable choice for converting unbalanced signals to balanced ones with professional precision. Its comprehensive features and superior design make it a top contender for anyone in need of high-quality audio signal conversion.

Sonifex RB-UL2 Features

  • Dual stereo unbalanced to balanced converter for professional-grade audio signal conversion
  • Four RCA phono inputs and four XLR 3 pin male outputs for versatile audio interfacing
  • Less than 50Ohms output impedance, ideal for long cable runs without signal loss
  • Wide frequency response from 20Hz to 20kHz for accurate representation of full audio spectrum
  • Individually adjustable output gain for left and right channels for precise control
  • Durable 1U rack-mountable design for seamless integration into professional audio setups

Product Documents

User Manual

Key Features

  • Achieve pristine audio quality with this unbalanced to balanced converter for studio use.
  • Easily integrate consumer audio into pro setups with low latency and stable driver performance.
  • Enjoy superior build quality with the robust 1U rackmount design of this Sonifex converter.
  • Optimize your signal flow using the RB-UL2's multiple RCA phono inputs and XLR male outputs.
  • Fine-tune your audio levels with a wide gain range, from -15dBu to +15dBu for balanced output.
  • Get clean, clear sound with <0.01% THD, ensuring your recordings are free of unwanted distortion.

What's in the box:

  • Sonifex Redbox RB-UL2 1U Dual Stereo Unbalanced to Balanced Converter
  • Sonifex 1 Year Warranty