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  Sonifex RB-DMX4 4-Channel Digital Audio Mixer

Sonifex RB-DMX4
Sonifex RB-DMX4
 
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List Price: $1,796.00
Our Price: $1,796.00


Availability: Usually Ships in 24 Hours
Product Code: 9999-07597

 

Sonifex RB-DMX4 4-Channel Digital Audio Mixer

Sonifex RB-DMX4 4-Channel Digital Audio Mixer

Sonifex RB-DMX4 4-Channel Digital Audio Mixer Details

Sonifex RB-DMX4 4-Channel Digital Audio Mixer is a digital mixer capable of mixing or routing 4 mono input channels into 4 mono outputs, or 2 stereo inputs into 2 stereo outputs. The inputs are sample rate converted to allow sources of different sample rates to be mixed. Sonifex RB-DMX4 4-Channel Digital Audio Mixer allows for a wide variety of mixing options and creativity, using 4 blocks of 4 way DIPswitches to select which inputs are mixed or routed to which outputs.


Sonifex RB-DMX4 4-Channel Digital Audio Mixer has 4 x digital mono audio inputs, each one selectable in pairs via front panel INPUTS 1 & 2 and INPUTS 3 & 4 push buttons, from either AES/EBU balanced XLRs, S/PDIF unbalanced phonos or TOSlink unbalanced optical inputs. Sample rate converters on each input mean that sources of different sample rates can be used with the output sample rate being defined independently. The colour of the INPUTS 1 & 2 and INPUTS 3 & 4 push-buttons indicate whether the input source is synchronised (no colour) or not (flashing green and red).


Each input has a trim pot, which can be used to attenuate the input signal. This allows for a perfect mix of channels at different audio levels. Audio presence LEDS around each input button give an indication of input audio level. There is one LED for each channel. There are also 4 presence LEDS around the MONITOR button which give an indication of output level. Additional gain can be added by accessing the OUTPUT GAIN mode.


There are 2 stereo outputs which are available as simultaneous AES/EBU balanced XLRs, S/PDIF unbalanced phonos or TOSlink unbalanced optical outputs. The output sample rates are selectable via rear panel DIPswitches from one of 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz or192kHz.


Sonifex RB-DMX4 4-Channel Digital Audio Mixer has TTL wordclock BNC and AES/EBU XLR synchronising inputs as standard and optionally, the RB-SYA and RB-SYD synchronisation boards can be fitted to synchronise the Sonifex RB-DMX4 4-Channel Digital Audio Mixer to analogue or digital video signals. A rear panel DIPswitch block is used to decide whether the Sonifex RB-DMX4 4-Channel Digital Audio Mixer is synchronised to Input1, Input2, the AES/EBU sync input, the wordclock sync input or an optional video sync board. The DIPswitch block also selects the synchronisation mode of the Sonifex RB-DMX4 4-Channel Digital Audio Mixer and the MONITOR button flashes whenever Sonifex RB-DMX4 4-Channel Digital Audio Mixer is not synchronised to an incoming sync signal. Selectable sync modes are as follows.


Master Mode

In this mode the digital output sample rate is simply set by, and locked to, the internal on-board clock generator. No sync signal is used or required.


Auto Sync Mode

In this mode the digital output sample rate follows the selected sync input. When the sync signal is not present the output sample rate will be set by, and locked to, the internal on-board clock generator at the selected output frequency.


Auto Lock Mode

In this mode no output is generated until lock is achieved with a sync signal. The digital output sample rate now follows the sync input. If the sync signal is removed then the output sample rate will be set by, and locked to, the internal on-board clock generator at the closest frequency available to the previous sync input.


Slave Mode

In this mode the digital output sample rate follows the sync input. When the sync signal is not present the digital output is turned off.


There is a monitor socket on the front panel with a gain pot to allow you to monitor the output of each channel. The monitored channel can be selected via a push button on the front panel which, when held can also supply up to 12dB of gain. If the level that is being monitored is close to full scale, a 12dB attenuation can be added to the monitor channel via a DIPswitch on the rear panel.


Sonifex RB-DMX4 4-Channel Digital Audio Mixer can be placed in mono or stereo mode via rear panel DIPswitch. Stereo mode allows you to monitor the two input pairs as stereo channels as well as controlling the input gain as a pair, giving tied audio levels.


Sonifex RB-DMX4 4-Channel Digital Audio Mixer has been designed to have a passive signal path through the main input, so if power to Sonifex RB-DMX4 4-Channel Digital Audio Mixer fails, signal inputs 1 & 2 are routed to outputs 1 & 2 and signal inputs 3 & 4 are routed to outputs 3 & 4. This is essential for applications such as installation at transmitter sites, where a power failure to Sonifex RB-DMX4 4-Channel Digital Audio Mixer should not prevent the audio input signal from being output to the transmitter. Please note that this is not true for the TOSLink outputs which are muted.


Sonifex RB-DMX4 4-Channel Digital Audio Mixer Features


  • Passive signal path
  • AES/EBU, S/PDIF & TOSlink I/O
  • Headphone output with input selector
  • Input & output presence indicators
  • Input channel gain controls
  • TTL wordclock & AES/EBU sync inputs
  • Optional sync cards can be added
  • Mono or stereo operation
  • Total flexibility for routing/mixing signals
  • Front panel cover for secure applications

Sonifex RB-DMX4 4-Channel Digital Audio Mixer Specifications


  • Manufacturer: Sonifex
  • Product: RB-DMX4 4-Channel Digital Audio Mixer
  • Dynamic Range: >138dB
  • Distortion And Noise: <-137dB THD + N at 1kHz, ref 0dB FS
  • Input & Output Impedances: 110O ±20% AES/EBU balanced I/O, 75O ±5% S/PDIF unbalanced I/O, 75O ±5% TOSlink unbalanced I/O, 50O BNC TTL word clock input
  • Signal Level: Balanced: 3V/10V peak to peak min/max, Unbalanced: Min 0.5V±20% peak to peak
  • Sample Frequencies: 32, 44.1, 48, 88.2, 96,176.4 or 192kHz
  • Bit Depth: Up to and including 24 bit
  • RAW Dimensions: 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U), 19? (W) x 4.3? (D) x 1.7? (H) (1U)
  • Boxed Dimensions: 59cm (W) x 27.5cm (D) x 11cm (H), 23.2? (W) x 10.8? (D) x 4.3? (H)
  • Weight: Net: 1.4 kg, Gross: 2.0 kg / Net: 3.1 lb, Gross: 4.4 lb

Front Panel Operational Controls & Indicators

  • Digital Input Select: AES/EBU, S/PDIF or TOSlink optical via INPUT 1 & 2 or INPUT 3 & 4 push-buttons
  • Mix Control: Output mix selection system via front panel DIP switches
  • Input Gain: Input gain control for four INPUT channels via potentiometers, from muted (-8) to unity gain
  • Output Gain: Adjustable via front panel push switch to 0dB, 3dB, 6dB or 12dB
  • Monitor Select Control: Headphone monitor channel select and output gain via push button
  • Indicators: Input and output presence indicators via bicolour LEDS around each push button

Rear Panel Operational Controls

  • Master Select: 32, 44.1, 48, 88.2, 96,176.4 or 192kHz Frequency via rear panel DIP switches
  • Sync Source Select: INPUTS 1&2, INPUTS 3&4, AES Sync, Word Clock, Video Sync via rear panel DIP switches
  • Sync Mode Select: Master, Auto Sync, Auto Lock, Slave via rear panel DIPswitches
  • Stereo Features: Stereo gain control and monitor outputs via rear panel DIP switches
  • Monitor Attenuation: 12dB Monitor attenuation via rear panel DIP switches
  • Serial Mode: Enter serial control mode via rear panel DIP switches
  • Boot Mode: Boot up base code or firmware via rear panel DIP switches

Connections

  • Digital Inputs: 2 x AES/EBU XLR 3 pin female, 2 x S/PDIF RCA phono, 2 x TOSLink optical input
  • Digital Outputs: 2 x AES/EBU XLR 3 pin plug, 2 x S/PDIF RCA phono socket, 2 x TOSLink optical output
  • Sync Inputs: 1 x AES/EBU XLR 3 pin female, 1 x Word Clock BNC, 1 x Video Input (optional)
  • Remote I/O Port: 15 way D-type plug
  • Serial Port: RS232, RJ45 socket
  • Mains Input: Universal filtered IEC, continuously rated 85-264VAC@47- 63Hz, max 10W
  • Fuse Rating: Anti-surge fuse 1A 20 x 5mm

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