Audio Interfaces - Redbox - Matching Converters
The RB-UL1 Single Stereo Unbalanced to Balanced Converter.
RB-UL1 Single Stereo Unbalanced to Balanced Converter
The RB-UL1 is a single stereo unit for interfacing domestic or semi-professional unbalanced equipment, such as a CD player, to professional balanced line levels.
The two RCA unbalanced inputs have an impedance of 10kΩ and are routed to two balanced XLR-3 outputs with an output impedance of <50Ω.
The output gain can be individually adjusted for left and right channels by using pre-set potentiometers accessible through the rear panel.
Technical Specification For RB-UL1 |
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Audio Specification |
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| Maximum Input Level: | +28dBu |
| Input Impedance: | >10kΩ |
| Maximum Output Level: | +28dBu |
| Output Impedance: | <50Ω |
| Distortion: | 0.01% THD @ 1kHz, ref +8dBu output |
| Noise: | -100dB, unity gain, ref +8dBu output |
| Frequency Response: | 20Hz to 20kHz ±0.1dB (600Ω load, ref 1kHz) |
| Gain Range: | Balanced output : -15dBu to +15dBu, ref -15dBu into unbalanced RCA input |
Connections |
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| Inputs: | 2 x RCA phono (Unbalanced) |
| Outputs: | 2 x XLR 3 pin male (Balanced) |
| 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) |
Equipment Type |
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| RB-UL1: | Single stereo unbalanced to balanced converter |
Physical Specification |
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| Dimensions (Raw): | 28cm (W) x 10.8cm (D) x 4.2cm (H) (1U) 11” (W) x 4.3” (D) x 1.7” (H) (1U) |
| Dimensions (Boxed): | 36cm (W) x 20.5cm (D) x 6cm (H) 14.2” (W) x 8” (D) x 2.4” (H) |
| Weight: | Nett: 1.00kg Gross: 1.45kg Nett: 2.2lbs Gross: 3.2lbs |
