Skip to content
Free UK Mainland Delivery for Orders Over £99 - Need some advice? Talk to the team on 0151-236-7800
Free UK Mainland Delivery for Orders Over £99

Sonifex RB-LU4 Balanced-Unbalanced Quad Stereo Matching Converter - Used

by Sonifex
£222.00 inc. vat
£185.00 ex. vat
SKU SSOMRBLU4USED
In Stock - Available for Immediate Dispatch

Sonifex RB-LU4 Quad Stereo Balanced to Unbalanced Converter - Used

This Used Sonifex RB-LU4 quad stereo balanced to unbalanced converter is in very good condition and works perfectly. One of the rack ears is slightly bent but it can still be fitted into a rack without any problems.

The Sonifex RB-LU4 is a 1U rack-mount quad stereo unit for interfacing professional balanced line levels to domestic or semi-pro unbalanced equipment, e.g. for connecting a pro satellite receiver to a consumer hi-fi system. All connections are on the rear panel. The eight balanced XLR-3 inputs have an impedance of 20kΩ and are routed to eight unbalanced RCA outputs with an output impedance of <50Ω.

The output gain can be individually adjusted for left and right channels by using pre-set potentiometers accessible through the rear panel. A LED power indicator on the front panel displays the power supply connection.

Sonifex RB-LU4 Specifications

Audio Specification

  • Maximum Input Level: +28dBu
  • Input Impedance: (XLR) >20kΩ balanced bridging
  • Output Impedance (RCA): <50Ω
  • Maximum Output Level: +22dBu
  • Distortion: 0.01% THD @ 1kHz, ref +8dBu output
  • Noise: -100dB, unity gain, ref +8dBu output
  • Common Mode Rejection: >66dB typically
  • Frequency Response: 20Hz to 20kHz ±0.1dB (600Ω load, ref 1kHz)
  • Gain Range: Unbalanced Output : -28dBu to 0dBu, ref 0dBu into balanced XLR input   

Connections

  • Inputs: 8 x XLR 3 pin female (Balanced)
  • Outputs: 8 x RCA phono (Unbalanced)
  • Mains Input: Filtered IEC, switchable 110-120V, or 220-240V, fused, 6W max
  • Fuse Rating:
    • Anti-surge fuse 100mA 20 x 5mm (230VAC) 
    • Anti-surge fuse 250mA 20 x 5mm (115VAC)      

Physical Specification

  • Dimensions:
    • 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)
    • 19” (W) x 4.3” (D) x 1.7” (H) (1U)
  • Weight:
    • Nett: 1.3kg Gross: 1.9kg
    • Nett: 2.9lbs Gross: 4.2lbs