Sonifex RB-SP1

The RB-SP1 digital splitter & combiner is used to interface various double sampling pieces of equipment. Some older equipment uses 2 AES/EBU connectors for double sampling with each connector carrying an audio signal at a normal frame rate, whilst other equipment has a single connector using twice the frame rate.

The RB-SP1 can interface between them, either combining the signals from 2 XLR’s into 1, or splitting the signal from 1 XLR into 2.

The RB-SP1 can also be used for interfacing stereo and mono signals to digital mixing desks by splitting the left and right signals of a stereo XLR to two separate XLR’s, and vice versa by combining them.

Additionally, a sample rate converter on the second digital input can be used to convert the sample rate of the secondary input to that of the primary input. The RB-SP1 can handle sample rates up to 96kHz and sample sizes of 16, 20 and 24 bit.

There are two types of operation : Split 96, and Stereo/Mono. These each have three different switch modes : Split, Bypass and Combine. (Download the product handbook for further information on what this product can do).

Both inputs and outputs can be selected as either AES/EBU or S/PDIF with the resultant digital level following the switch selection.

RB-SP1 Diagram

Audio Specification

Input Impedance:110Ω ±20% balanced (AES/EBU)
Input Impedance:75Ω ±5% unbalanced (S/PDIF)
Signal Level:3V/10V peak to peak min/max (AES/EBU) 0.5V ±20% peak to peak (S/PDIF)
Bit Depth:Up to and including 24 bit
Distortion & Noise:-114dB THD + N at 1kHz, ref 0dB FS
Output Impedance:110Ω ±20% balanced (AES/EBU)
Output Impedance:75Ω ±5% unbalanced (S/PDIF)
Sample Freq Range:30-100kHz (i.e. including 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2kHz and 96kHz)
Dynamic Range:120dB

Connections

Audio Inputs:2 x AES/EBU XLR 3 pin female (balanced) 2 x S/PDIF RCA phono female (unbalanced) (Input button selects between AES/EBU and S/PDIF)
Audio Outputs:2 x AES/EBU XLR 3 pin male (balanced) 2 x S/PDIF RCA phono female (unbalanced), (Output button selects between AES/EBU and S/PDIF)
Mains Input:Filtered IEC, continuously rated 85-264VAC @ 47-63Hz, max 10W
Fuse Rating:Anti-surge fuse 1A 20 x 5mm

Equipment Type

RB-SP1:Digital splitter & combiner

Physical Specification

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: 1.6kg  Gross: 2.2kg Nett: 3.5lbs Gross: 4.8lbs

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    Sonifex RB-SP1

    $672.00

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    2-Year Warranty

    $672.00

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