AUDIO INTERFACES Redbox - Digital Audio

AUDIO INTERFACES Redbox - Digital Audio
AU D I O I N T E R FAC E S
RB-DAC1 Digital To Analogue Converter
Using 24 bit, 96kHz 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 For RB-DAC1
Maximum
Output Level:
Output
Impedance:
+24dBu balanced, +14dBu unbalanced
+12dBu headphone
<50Ω balanced, <75Ω unbalanced
Dynamic Range: >100dB
Gain Range:
Headphone
Output:
Selectable 12dBu, 18dBu or 24dBu
output level, ref FSD
Drives 150mW into 32Ω to
600Ω professional headphones
Distortion
& Noise:
<0.01% THD + N @1kHz, ref 0dBu
Sample Freq.
Range:
30kHz - 100kHz
Operational Controls
Digital Input
Select:
AES/EBU or S/PDIF, via push-button
Gain Select:
DIP switch
De-emphasis
On/Off:
DIP switch
Connections
Digital Inputs:
Analogue
Outputs:
Headphone
Output:
Mains Input:
1 x AES/EBU XLR 3 pin female
1 x S/PDIF RCA phono
2 x XLR 3 pin male (balanced)
2 x RCA phono (unbalanced)
1 x ¼” (6.35mm) A/B-gauge 3-pole
stereo jack sockets
Filtered IEC, 110V-120V, or
220-240V, fused, 10W max
Equipment Type
RB-DAC1:
Digital to analogue converter
Physical Specification
Weight:
Nett: 1.4kg Gross: 2.0kg
Dimensions
(Raw):
(Boxed):
48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)
53cm (W) x 20.5cm (D) x 6cm (H)
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