Redbox User Handbook No 1
7
DIGIT
AL A
UDIO C
ONVERTERS - RB
-ADD
A
DIGITAL AUDIO CONVERTERS
Technical Specifications RB-ADDA
A/D Connections
Analogue Inputs:
2 x XLR 3 pin (balanced) (L & R)
2 x RCA phono (unbalanced) (L & R)
Digital Outputs:
1 x AES/EBU XLR 3 pin plug
1 x S/PDIF RCA phono socket
A/D Audio Specification
Maximum Input Level:
+27dBu (balanced inputs)
Maximum Input Level:
+17dBu (unbalanced inputs)
Input Impedance:
>10kΩ bridging (balanced inputs)
Input Impedance:
>20kΩ (unbalanced inputs)
Input Levels:
Swit24dBu/+18dBu/+12dBu for FSD
Gain Range:
Adjustable 3dB loss to 3dB gain (L and R adjust)
Signal to Noise:
Better than –109dbFS (RMS A-weighted at 24bit)
Dynamic Range:
>110dB
Distortion and Noise:
>96dB THD + N at 1kHz
D/A 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) (L & R)
2 x RCA phono (unbalanced) (L & R)
D/A Audio Specification
Max Output Level:
+24dBu (balanced outputs)
Max Output Level:
+14dBu (unbalanced outputs)
Output Impedance:
<50Ω (balanced outputs)
Output Impedance:
<75Ω (unbalanced outputs)
Dynamic Range:
>100dB
Gain Range:
Selectable 12dBu, 18dBu or 24dBu output level, ref FSD
Other Connections
Mains Input:
Filtered IEC, 110-120V, or 220-240V switchable, 10W max
Fuse Rating:
Anti-surge fuse 100mA 20 x 5mm (230VAC)
Anti-surge fuse 250mA 20 x 5mm (115VAC)
Operational Controls
Analogue Input Select:
XLR or phono, via push-switch
Bit Depth:
16, 20 or 24 bits via DIP switch
Digital Output Select:
AES/EBU or S/PDIF, via push-switch
Modes & Frequencies:
16 way rotary DIP switch
Digital Input Select:
AES/EBU or S/PDIF, via push-switch
Channel Status Bits:
Set to consumer or professional mode via DIP switch
Equipment Type
RB-ADDA
Combined A/D and D/A converter
Physical Specifications
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: 1.6kg Gross: 2.2kg Nett: 3.5lbs Gross: 4.8lbs
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