Sonifex RB-BL4
The Sonifex RB-BL4 is a dual bidirectional stereo unit for interfacing domestic or semi-pro unbalanced equipment to professional balanced line levels, and vice versa.
Original price was: $667.00.$634.00Current price is: $634.00.
Description
The Sonifex RB-BL4 is a dual bidirectional 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 kΩ bridging and are routed to four unbalanced RCA (phono) outputs with an output impedance of <50 Ω.
The four RCA unbalanced inputs have an impedance of 20 kΩ and are routed to four balanced XLR-3 outputs with an output impedance of <50 Ω. 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.
RB-BL4 Block Diagram.
Technical Specification For RB-BL4 | |
Audio Specification | |
| Maximum Input Level: | +28dBu |
| Maximum Output Level: | +28dBu |
| Input Impedance (RCA): | >10kΩ unbalanced |
| Input Impedance (XLR): | >20kΩ balanced bridging |
| Output Impedance (RCA): | <50 Ω |
| Output Impedance (XLR): | <50 Ω |
| 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 Ω 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 × 5 mm (230VAC) Anti-surge fuse 250mA 20 × 5 mm (115VAC) |
Equipment Type | |
| RB-BL4: | Dual stereo bidirectional matching converter |
Physical Specification | |
| Dimensions (Raw): | 48 cm (W) x 10.8 cm (D) x 4.2 cm (H) (1U) 19” (W) x 4.3” (D) x 1.7” (H) (1U) |
| Dimensions (Boxed): | 58.5 cm (W) x 22.5 cm (D) x 7 cm (H) 23” (W) x 8.9” (D) x 2.8” (H) |
| Weight: | Nett: 1.3 kg Gross: 1.9 kg Nett: 2.9lbs Gross: 4.2lbs |
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