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Sonifex RB-BL4 Dual Stereo Bi-Directional -10/+4 Unbalanced/Balanced Level Matching Converter

 
  • Dale #:

    SONF-RBBL4
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Description

The 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 20kohms bridging and are routed to four unbalanced RCA (phono) out... Read More

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Description

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

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Product Specs

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
Distortion0.01% THD @ 1kHz, ref +8dBu output
Noise-100dB, unity gain, ref +8dBu output
Common Mode Rejection>66dB typically
Frequency Response20Hz to 20kHz ±0.1dB (600ohms 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
Inputs4 x RCA phono (Unbal), 4 x XLR 3 pin female (Bal)
Outputs4 x XLR 3 pin male (Bal), 4 x RCA phono (Unbal)
Mains InputFiltered IEC, switchable 110-120V, or 220-240V, fused, 6W max
Fuse RatingAnti-surge fuse 100mA 20 x 5mm (230VAC), Anti-surge fuse 250mA 20 x 5mm (115VAC)
Equipment Type
RB-BL4Dual stereo bi-directional matching converter
Physical
Dimensions (Raw)48cm (W) x 10.8cm (D) x 4.2cm (H) (1U) 19” (W) x 4.3” (D) x 1.7” (H) (1U)
Dimensions (Boxed)58.5cm (W) x 22.5cm (D) x 7cm (H) 23” (W) x 8.9” (D) x 2.8” (H)
Weight
Nett1.3kg
Gross1.9kg
Nett2.9lbs
Gross4.2lbs

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