Sonifex RB-DAC1 Digital to Analogue Converter
Digital to Analogue Converter
MPN: RB-DAC1 SKU: RB-DAC1
Using 24 bit, 192kHz capable devices, the RB-DAC1 D/A Converter is a 1U rack-mount which produces a stereo balanced XLR or unbalanced phono output from an incoming AES/EBU or S/PDIF digital input signal. There is also a headphone output with volume control for monitoring purposes.
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Using 24 bit, 192kHz capable devices, the RB-DAC1 D/A Converter is a 1U rack-mount which produces a stereo balanced XLR or unbalanced phono output from an incoming AES/EBU or S/PDIF digital input signal. There is also a headphone output with volume control for monitoring purposes.
The analogue outputs have an output level control, allowing full-scale settings selectable from +12dBu, +18dBu or +24dBu. The RCA phono outputs have a further 8.5dBu attenuation incorporated.
There is a button to select either the AES/EBU or S/PDIF input for the D/A converter, which is located on the rear panel. Additionally, if de-emphasis is selected, the RB-DAC1 will decode 50/15µs emphasis when indicated by certain channel status bits in the incoming digital audio data.
When operating, the front panel power LED flashes whenever the unit is not synchronised to the incoming digital signal.
Audio Specification
Balanced Output
- Maximum Output Level: +24dBu
- Output Impedance:<50Ω
- Dynamic Range:115dB
- Gain Range:Selectable 12dBu, 18dBu or 24dBu output level, ref FSD
- Distortion & Noise:<0.005% THD+N @1kHz, ref +8dBu
- Sample Freq. Range:32kHz - 192kHz
Unbalanced Output
- Maximum Output Level: +15.5dBu
- Output Impedance: <75Ω
- Dynamic Range:115dB
- Gain Range:Selectable 3.5dBu,9.5dBu or 15.5dBu output level, ref FSD
- Distortion & Noise: <0.005% THD+N @1kHz, ref -6dBV
Headphone Output
- Maximum Output Level: +20dBu (ref. <0.01% THD)
- Output Impedance: Drives 150mW into 32Ω to 600Ω professional headphones
- Dynamic Range:100dB
- Gain Range:-80dBu (volume 0%) to +20dBu (volume 100%) ref FSD
- Distortion & Noise:<0.005% THD+N @1kHz, ref +8dBu
Operational Controls
- Digital Input Select: AES/EBU or S/PDIF, via push-button
- Gain Select: DIP switch
- De-emphasis On/Off: DIP switchOther Connections
Connections
- Digital Inputs: 1 x AES/EBU XLR 3 pin female / 1 x S/PDIF RCA phono
- Analogue Outputs: 2 x XLR 3 pin male (balanced) / 2 x RCA phono (unbalanced)
- Headphone Output: 1 x ¼” (6.35mm) A/B-gauge 3-pole stereo jack sockets
- Mains Input: Filtered IEC, 110V-120V, or 220-240V, fused, 18W max
- Fuse Rating: Anti-surge fuse 100mA 20 x 5mm (230VAC) / Anti-surge fuse 250mA 20 x 5mm (115VAC)
Equipment Type
- RB-DAC1: Digital to analogue converter
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: 1.4kg Gross: 2.0kg / Nett: 3.1lb Gross: 4.4lb
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