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Sonifex RB-BL4 Dual Stereo Bi-Directional Matching Converter

£324.00 £270.00 (ex. vat)




Sonifex RB-BL4

  • Sonifex RB-BL4
  • Sonifex RB-BL4
  • Sonifex RB-BL4 Rear

Sonifex RB-BL4 Dual Stereo Bi-Directional Matching Converter

The Sonifex RB-BL4 is a dual bi-directional stereo unit for interfacing domestic or semi-pro unbalanced equipment to professional balanced line levels, and vice versa. The four XLR-3 electronically balanced inputs have an impedance of 20kΩ bridging and are routed to four unbalanced RCA (phono) outputs with an output impedance of <50Ω.

The four RCA unbalanced inputs have an impedance of 20kΩ and are routed to four balanced XLR-3 outputs with an output impedance of <50Ω. All connections are on the rear panel.

The output gain can be adjusted for left and right channels by using pre-set potentiometers accessible through the rear panel.

Sonifex RB-BL4 Specifications

Audio Specification

  • Maximum Input Level: +28dBu
  • Maximum Output Level: +28dBu
  • Input Impedance (RCA): >10kΩ unbalanced
  • Input Impedance (XLR): >20kΩ balanced bridging
  • Output Impedance (RCA): <50Ω
  • Output Impedance (XLR): <50Ω
  • 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
  • Balanced Output : -15dBu to +15dBu, ref -15dBu into unbalanced RCA input   

Connections

  • Inputs: 4 x RCA phono (Unbal), 4 x XLR 3 pin female (Bal)
  • Outputs: 4 x XLR 3 pin male (Bal), 4 x RCA phono (Unbal)
  • 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
Manufacturer Sonifex
SKU SSOMRBBL4
Model Sonifex RB-BL4
GTIN N/A
Sonifex
Sonifex
Sonifex RB-BL4
Contact Us

Studiocare Professional Audio Ltd.

Unit 2, 56 Evans Road


Liverpool

L24 9PB


Phone
+44 (0) 151 707 4545
+44 (0) 845 345 8910


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Mon - Fri: 9:30 - 5:30
Sat - Sun: Closed
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