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Sonifex RB-BL4

Dual Stereo Bi-Directional Matching Amplifier
$444.00
RB-BL4

(0 reviews)

The 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.

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RB-BL4 $444.00
  • The 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 20 kohms bridging and are routed to four unbalanced RCA (phono) outputs with an output impedance of <50 ohms.

    The four RCA unbalanced inputs have an impedance of 20 kohms and are routed to four balanced XLR-3 outputs with an output impedance of <50 ohms.

    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.

    Audio Specification
    Maximum Input Level +28dBu
    Maximum Output Level +28dBu
    Input Impedance (RCA) 10kohms unbalanced
    Input Impedance (XLR) 20kohms balanced bridging
    Output Impedance (RCA) <50ohms
    Output Impedance (XLR) <50ohms
    Distortion 0.01% THD @ 1kHz, ref +8dBu output
    Noise -100dB, unity gain, ref +8dB output
    Common Mode Rejection >66dB typically
    Frequency Response 20Hz to 20kHz ±0.1dB (600ohm load, ref 1kHz)
    Gain Range Unbalanced Output : -28dBu to +15dBu, ref -15dBu into balanced XLR input Balanced Output : -15dBu to +15dBu, ref -15dBu into unbalanced RCA input
    Connections
    Audio Inputs 4 x RCA phono (unbalanced), 4 x XLR 3 pin female (balanced)
    Audio Outputs 4 x XLR 3 pin male (balanced), 4 x RCA phono (unbalanced)
    Mains Input Filtered IEC, switchable 110V-120V, or 220-240V, fused, 6W max
    Physical Specification
    Weight Nett: 1.3kg Gross: 1.9kg
    Dimensions Raw: 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U) Boxed: 53cm (W) x 20.5cm (D) x 6cm (H)
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