The RB-BL2 is a bi-directional stereo unit for interfacing domestic, or semi-pro unbalanced equipment to professional balanced line levels, and vice-versa.
All connections are on the rear panel. The two XLR-3 electronically balanced inputs have an impedance of 20k ohms bridging and are routed to two unbalanced RCA (phono) outputs with an output impedance of <50 ohms.
The two RCA unbalanced inputs have an impedance of 10k ohms and are routed to two balanced XLR-3 outputs with an output impedance of <50 ohms.
The output gain can be individually 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 +8dBu output Common Mode Rejection >66dB typically Frequency Response 20Hz to 20kHz +/- 0.1dB (600 ohm load, ref 1kHz) Gain Range Unbalanced output: -28dBu to +15dBu, ref -15dBu into balanced XLR input Gain Range Balanced output: -15dBu to +15dBu, ref -15dBu into unbalanced RCA input Connections Audio Inputs 2 x XLR 3 pin female (balanced), 2 x RCA phono (unbalanced) Audio Outputs 2 x XLR 3 pin male (balanced), 2 x RCA phono (unbalanced) Mains Input Filtered IEC, switchable 110-120V, or 220-240V, fused, 6W max Physical Specification Weight Nett: 1.0kg Gross: 1.4kg Dimensions Raw: 28cm (W) x 10.8cm (D) x 4.2cm (H) Boxed: 36cm (W) x 20.5cm (D) x 6cm (H)
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