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Sonifex RB-AES4x3

The RB-AES4X3 is a passive, quad “one-to-three” splitter housed in a 19” rack. Each bank is designed to split a single AES3 digital audio source to up to three destinations, using Neutrik XLR connectors.

The RB-AES4X3 provides solutions to a range of digital signal distribution problems, where correct termination is essential to maintain signal integrity. The input signal is split through high quality transformers, and 110Ω termination can be applied, if desired, to unconnected outputs.

The RB-AES4X3 requires no power to operate, ensuring your audio remains connected from source to destination(s) without interruption from power failures.

RB-AES4x3 Diagram

Cable drive capability

The table below sets out the minimum signal amplitude required to drive 100m (cumulative) of 110Ω twisted pair cable, based on the sample rate of the digital audio:

Sample Rate

Minimum Signal Amplitude

32kHz *2Vpk-pk
44.1kHz *2Vpk-pk
48kHz *2Vpk-pk
88.2kHz 5Vpk-pk
96kHz 5Vpk-pk
* Minimum of 2Vpk-pk is defined by the AES3 format specification. The table below sets out the minimum signal amplitude required to drive 30m (cumulative) of 110Ω twisted pair cable, based on the sample rate of the digital audio:

Sample Rate

Minimum Signal Amplitude

176.4kHz 3Vpk-pk
192kHz 3Vpk-pk

Connections

Inputs: 4 x XLR 3 pin female
Outputs: 12 x XLR 3 pin male

Equipment Type

RB-AES4X3 Quad 3 way AES/EBU passive splitter XLR connectors

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)
(Boxed): 58.5cm (W) x 22.5cm (D) x 7cm (H) 23” (W) x 8.9” (D) x 2.8” (H)
Weight: Nett: 1.0kg  Gross: 1.4kg Nett: 2.25lbs Gross: 3.0lbs

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2-Year Warranty

$643

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