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 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.
|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
|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)
|RB-BL4:||Dual stereo bi-directional matching converter|
|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:||Nett: 1.3kg Gross: 1.9kg
Nett: 2.9lbs Gross: 4.2lbs
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