Redbox RB-DDA6A3 - Receiver Sonifex - Free user manual and instructions
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| Product Type | Digital Audio Distribution Amplifier / Receiver |
| Brand | Sonifex |
| Model | Redbox RB-DDA6A3 |
| Input Connector | 1 x XLR-3 balanced AES3 input |
| Output Connectors | 6 x XLR-3 balanced AES3 outputs |
| Supported Sample Rates | 32 kHz to 192 kHz |
| Bit Depth | Up to 24-bit |
| Power Supply | External 12V DC adapter (100-240V AC) |
| Power Consumption | Typically less than 5 W |
| Rack Mountable | Yes, 1U high with optional rack ears |
| Dimensions (W x H x D) | 220 mm x 44 mm x 150 mm |
| Weight | 0.6 kg (without PSU) |
| Front Panel Indicator LEDs | Power, input signal, output status |
| Case Material | Steel chassis with red anodized aluminium front panel |
| Operating Temperature Range | 0°C to 40°C |
| Key Feature | Low jitter clock recovery for high-quality signal distribution |
| Input Equalization | Automatic cable equalization up to 100 m |
| Ground Isolation | Transformer-isolated inputs and outputs |
| Maintenance | Wipe with a soft dry cloth; no internal user-serviceable parts |
| Spare Parts & Repairability | Replacement PSU and connectors available from Sonifex |
| Included Accessories | External PSU, user manual, rack mounting brackets |
| Compliance | CE marked, RoHS compliant |
Frequently Asked Questions - Redbox RB-DDA6A3 Sonifex
How to connect the RB-DDA6A3 digital audio receiver?
Connect your AES3 digital audio source to the input XLR and connect up to six destination devices to the output XLRs. Ensure the PSU is plugged in and the power LED lights up.
What is the maximum cable length for the AES3 input?
The RB-DDA6A3 features automatic cable equalization, allowing reliable operation over 120 m of standard 110 ohm AES3 cable.
Can I use S/PDIF sources with this device?
The unit is designed for AES3 professional digital audio. For S/PDIF, use a format converter before connecting.
How do I enable high sample rates like 192 kHz?
The unit automatically supports sample rates up to 192 kHz without any switch setting. Just ensure your source and connected equipment support the same rate.
What do the front-panel LEDs indicate?
The Power LED shows the unit is on. The Signal LED indicates a valid input lock, and Output LEDs show the status of each output branch.
Can I mount the device in a 19-inch rack?
Yes, the optional rack ears allow mounting in a 1U rack space. The included brackets fix securely to the chassis.
Is the power adapter universal?
The included adapter accepts 100-240V AC, 50/60Hz and outputs 12V DC, making it suitable for worldwide use.
Will the unit operate without a rack?
Absolutely. The compact desktop enclosure is designed for standalone use, so it can be placed on a table or shelf.
What should I check if there is no output signal?
First verify the input source is active and the Signal LED is lit. Check all XLR cables are properly connected and not defective. If issue persists, try power cycling the unit.
Is the device compatible with all digital mixing consoles?
It works with any equipment that provides or accepts AES3 or balanced digital audio signals at standard sample rates, which is common on professional consoles.
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USER MANUAL Redbox RB-DDA6A3 Sonifex
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Product information
Brand : Sonifex
Model : Redbox RB-DDA6A3
Category : Receiver